Chat 1 -1 Internet 2 -1 Bussines and finance 3 -1 Energy 4 -1 IT 5 -1 Internet slang 6 -1 1 Mediawiki acronyms 0 <div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"> <!-- <li><b> </b> 1 0 0 - </li> 2 1 0 2 MediaWiki Lingo 0 mw-lingo-tooltip-abbr"> </span> 1 0 0 mw-lingo-tooltip-definition "> </span> 2 1 0 3 MediaWiki 2 0 </ul> <!-- <li> 1 0 0 </li> 2 1 0 4 wikitonary 0 </ul> <span class="mw-headline" id="See_also">See also <li> : 1 0 0 </li> 2 1 0 Wikipedia - List of business and finance abbreviations https://en.wikipedia.org/wiki/List_of_business_and_finance_abbreviations 1 -1 168 2017-11-07T16:57:42.739+01:00 3 wiki.zdechov.net terminology https://wiki.zdechov.net/wiki/Terminologie 2 -1 74 2017-11-07T16:57:43.893+01:00 2 Wikipedia - List of energy abbreviations https://en.wikipedia.org/wiki/List_of_energy_abbreviations 3 -1 736 2017-11-07T16:57:44.858+01:00 4 Wikipedia - List of Computing and IT abbreviations https://en.wikipedia.org/wiki/List_of_computing_and_IT_abbreviations 3 -1 1418 2017-11-07T16:57:46.046+01:00 5 English internet slang https://en.wiktionary.org/wiki/Appendix%3AEnglish_internet_slang 4 -1 297 2017-11-07T16:57:46.885+01:00 6 ADR American Depositary Receipt 3 1 Asset Depreciation Range (finance) —Alternative dispute resolution 4 3 AP B[edit] BAU – Business As Usual 3 1 Access Point 2 2 BRU Business-to-business 3 1 B2C Business to Consumer 3 1 Business-to-Consumer 5 4 Business to Customer 6 5 B2G Business-to-government 3 1 BUSI Break Even Point 3 1 CAO Chief Administrative Officer 3 1 CAGR Capital Expenditures 3 1 CFO Chief Financial Officer 3 1 CFS Certified Internal Auditor 3 1 cubic feet per second 4 3 CIF Certified Information Systems Auditor 3 1 CIP Carriage and Insurance Paid 3 1 Critical Infrastructure Protection (US) —see also EPCIP European Programme for Critical Infrastructure Protection 4 3 CMA Committee on monetary, finance and balance of payments statistics 3 1 CMO Chief Marketing Officer 3 1 Current Mode of Operation 5 4 COB Close of Business 3 1 Close Of Business. 6 5 COGS Cost of Goods Sold 3 1 Corp. Chief Operating Officer 3 1 CPA Consumer Price Index 3 1 California Power Authority 4 3 Cell Processor Architecture 5 4 CPU Cost per Unit 3 1 Central Processing Unit 2 5 2 4 CSI Continual Service Improvement 3 1 Common System Interface 5 4 CSO Chief Security Officer 3 1 CSR Corporate social responsibility 3 1 CRM Customer Relationship Management 3 2 5 1 2 4 CVP Consumer-to-business 3 1 CTO Chief Technology Officer 3 1 C&F Customer Experience 3 1 CKM Cost to company 3 1 DDA Department 3 1 DI Director 3 1 disc. Delivery service provider 3 1 DTP Do this please 3 1 Desktop Publishing 5 4 DVP Delivery versus payment 3 1 DSO Days Sales Outstanding 3 1 Distribution system operator (regarding electricity distribution) 4 3 DPO Days Payable Outstanding 3 1 ECS Electronic Clearing Service 3 1 Effective annual rate 3 1 EAY Earnings before Interest, Taxes, Depreciation, and Amortization 3 1 ECB Electronic Data Interchange 3 1 EFSM Enterprise Resource Planning 3 1 ETA Estimated Time of Arrival 3 1 Estimated time of arrival 6 5 ETD Estimated Time of Delivery 3 1 EMI Equated Monthly Installment 3 1 EPC Export Promotion Council 3 1 ECGC Export Credit Guarantee Corporation of India 3 1 EXW Ex Works , Ready at Warehouse 3 1 FAB Feature Advantage Benefits 3 1 FDP Finance Department 3 1 FOB Freight On Board 3 1 FIFO Finance Minister 3 1 First In First Out 5 4 Fin Min Finance Minister 3 1 FL Financial leverage 3 1 Function Level 5 4 FOMC Financial Information Exchange 3 1 FSA For Your Information 3 1 FOC Free Of Cost 3 1 FYA For Your Action 3 1 FTE Full Time Equivalent 3 1 GAAP Generally Accepted Accounting Principles 3 1 GAAS Gross Domestic Product 3 1 GDR General Ledger 3 1 GMV Gross Merchandise Volume 3 1 GP Gross Profit 3 1 GPO Goods Receipt Not Invoiced 3 1 GSV Global Value Chain 3 1 GMROII Gross Margin Return on Inventory Investment 3 1 G&A General and Administration expense. expenditures related to the day-to-day operations of a business. 3 1 HR Human Resources 3 1 HQ Her Majesty's Revenue and Customs 3 1 IAS International Accounting Standards 3 1 ICB International Financial Reporting Standard 3 1 ILCLP Internet of Things 3 1 IPO Initial Public Offering 3 1 Inter Procedural Optimization 5 4 IR Interest Rate - typically referring to an IR derivative product 3 1 Intermediate Representation 5 4 IRS Institute of Supply Management 3 1 IYR Item Per Transaction 3 1 J Just in time 3 1 JIS Just in sequence 3 1 JST Joint Supervisory Team 3 1 K Karachi Interbank Offered Rate 3 1 KPI L[edit] LBO – Leveraged Buyout 3 1 LC London Interbank Offered Rate 3 1 LE Limited Liability Company 3 1 Logical Extents 5 4 LME Limited Company 3 1 LTV Loan to Value 3 1 MBS mortgage-backed security 3 1 Macro economic Budget Support 4 3 mfg. Management 3 1 MIC Month on Month / Month over Month 3 1 MOQ Memorandum Of Understanding 3 1 MPC Maintenance, Repair, and Operations 3 1 MRP Maximum Retail Price 3 1 MSOD Manufacturer's Suggested Retail Price 3 1 MTD Month-to-date 3 1 MWC N[edit] NAV – Net asset value 3 1 Mobile World Congress 5 4 NCBO Non-Circumvent and Non-Disclosure 3 1 NDA Non-Disclosure Agreement 3 1 NII Net Interest Income 3 1 NIM Net Operating Assets 3 1 No Internal Message 5 4 NOI Net Operating Income 3 1 Notice of Intent or Notice of Inquiry or Notice of Investigation 4 3 NOPAT Non-performing loan 3 1 NPV Net Present Value 3 4 1 3 NTE Not To Exceed 3 1 NYMEX O[edit] OC – Opportunity Cost 3 1 New York Mercantile Exchange 4 3 OCF Organisation for Economic Co-operation and Development 3 1 OEM Original Equipment Manufacturer 3 5 1 4 original equipment manufacturers 4 3 OIBDA Operating Income Before Depreciation And Amortization 3 1 OPEX Over-the-counter (finance) 3 1 OOO Out of Office 3 1 PA Purchasing agent 3 1 Promotional Activity 3 1 Planning Authority —Programmatic Agreement 4 3 PAT Profit After Tax 3 1 PBT Profit Before Tax 3 1 P/E Price-to-earnings ratio 3 1 PEG to-earnings growth ratio 3 1 P&L Profit and Loss 3 1 PI Professional Indemnity (insurance coverage) 3 1 pip Period Moving Average Cost 3 1 PO Purchase Order 3 1 POS Property, plant, and equipment 3 1 Piece of shit, or parent over shoulder. 6 5 PPP Public-private partnership 3 1 Q[edit] QC – Quality control or Quality costs 3 1 Point-to-Point Protocol 5 4 QoQ Quarter on quarter 3 1 q/q Quarter-to-date 3 1 RBI Retained Earnings 3 1 RFI Request for Proposal 3 1 Request for Interchange 4 3 Radio Frequency Interference 5 4 RFQ Request for Quotation 3 1 RFX Return On Capital Employed 3 1 ROE Return on Equity 3 1 Return of Equity (finance) 4 3 ROI Return on Investment 3 4 1 3 ROIC Return on Invested Capital 3 1 RONA Return on Sales 3 1 RR Research and Development 3 1 St Sales and operations planning 3 1 SAAS as-a-Service 3 1 SCM Supply Chain Management 3 1 Software Configuration Management 5 4 Source Code Management 5 4 SCBA Securities and Exchange Commission 3 1 SG&A Small and Medium Enterprises 3 1 SOHO Small Office/Home Office 3 5 1 4 SOX Sarbanes-Oxley 3 1 SROI Social return on investment 3 1 SOP Standard Operating Procedure 3 1 SOW Statement Of Work 3 1 SLA Service Level Agreement 3 1 Specific leakage area 4 3 SUA Start Up Agreement 3 1 TCO Total Cost of Ownership 3 1 TCV Total Shareholder Return 3 1 TB To Be Completed 3 1 TeraByte 5 4 TQM Total Quality Management 3 1 TOTW Time Off for Time Worked 3 1 TTM Trailing Twelve Months 3 1 USP V[edit] VAD – Value-Added Distributor 3 1 VAT Value-Added Tax 3 1 VAR Added Reseller 3 1 VC Venture Capital 3 1 VaR W[edit] WACC – Weighted average cost of capital 3 1 WC work 3 1 wo weighted average selling price 3 1 WLL With Limited Liability 3 1 w.r.t With Respect To 3 1 WTI Withdraw Voucher Note 3 1 West Texas Intermediate (US) 4 3 WHT Withholding Tax 3 1 WTO World Trade Organization 3 1 WTD Week-To-Date 3 1 YTD Year-to-date 3 1 YTG Year-to-go 3 1 YOY Year-over-year 3 1 YTC Yet-To-Confirm 3 1 FYF Z[edit] zcyc – Zero Coupon Yield Curve 3 1 ZOPA Zone of Possible Agreement 3 1 This list is incomplete; you can help by expanding it. References[edit] External links[edit] Business acronyms and abbreviations 3 1 FPS Frames Per Second 2 2 Firm peaking service. See Peaking power plant 4 3 Floating Point Systems 5 4 HD High Definition,Half Duplex 2 2 High Density 5 4 SMTP Simple Mail Transport Protocol 2 2 Simple Mail Transfer Protocol 5 4 DNS Domain Name Server 2 2 Domain Name System 5 4 WDS Wireless Distribution System 2 2 DFS Dynamic Frequency Selection 2 2 Depth-First Search 5 4 Distributed File System 5 4 TDMA Time Division Multiple Access 2 2 Time-Division Multiple Access 5 4 GM Game Master 2 2 IRC Internet Relay Chat 2 5 6 2 4 5 ISO / RTO Council (electricity) 4 3 RSS Rich Site Summary 2 2 Radio Service Software 5 4 Rich Site Summary, RDF Site Summary, or Really Simple Syndication 5 4 API Application Programming Interface 2 5 2 4 American Petroleum Institute (oil) 4 3 VPS Virtual Private Server 2 2 SVN Subversion 2 2 URL Uniform Resource Locator 2 5 2 4 HTTP Hypertext Transport Protocol 2 2 Hypertext Transfer Protocol 5 4 HTML HyperText Markup Language 2 2 Hypertext Markup Language 5 4 WoW World of Warcraft 2 2 MAC Media Access Control address 2 2 Mandatory Access Control 5 4 Media Access Control 5 4 FTP File Transfer Protocol 2 5 2 4 FUP Fair User Policy 2 2 VPN Virtual Private Network 2 5 2 4 CDMA Code Division Multiple Access 2 5 2 4 XML eXtensible Markup Language 2 5 2 4 VNC Virtual Network Computing 2 5 2 4 CSS Cascading Style Sheets 2 5 2 4 Content-Scrambling System 5 4 Closed Source Software 5 4 Cross-Site Scripting 5 4 OS Operačn&#237; Syst&#233;m 2 2 Open Source 5 4 Operating System 5 4 Operating system 6 5 ATX Advanced Technology eXtended 2 2 RTSP Real Time Streaming Protocol 2 5 2 4 RAM Random Access Memory 2 5 2 4 CSV Comma-separated Values 2 2 Comma-Separated Values 5 4 GPS Global Positioning System 2 2 VCS Version Control System 2 2 SOAP Simple Object Access Protocol, 2 2 Simple Object Access Protocol 5 4 Symbolic Optimal Assembly Program 5 4 AJAX Asynchronous JavaScript and XML 2 2 SQL Server Query Language 2 2 Structured Query Language 5 4 JSON JavaScript Object Notation 2 5 2 4 NTP Network Time Protocol 2 5 2 4 NFS Network File System 2 5 2 4 ACL Access Control List 2 5 2 4 Active Current Loop 5 4 SCP Secure copy 2 2 Secure Copy 5 4 ISP Internet Service Provider 2 5 2 4 SSL Secure Sockets Layer 2 2 Secure Socket Layer 5 4 EDGE Enhanced Data Rates for GSM Evolution 2 2 Enhanced Data rates for GSM Evolution 5 4 HSDPA High-Speed Downlink Packet Access 2 5 2 4 ERP Enterprise Resource Planning 2 5 2 4 USB Universal Serial Bus 2 5 2 4 MTU Maximum Transmission Unit 2 5 2 4 RPM Redhat Pakage Manager 2 2 Reliability Pricing Model. See explanation in electricity market#Electricity market experience. (electricity) 4 3 RPM Package Manager 5 4 CVS Concurrent Version Control 2 2 Concurrent Versioning System 5 4 KVM Keyboard Video Mouse 2 2 Keyboard, Video, Mouse 5 4 PCI Peripheral Component Interconnect 2 5 2 4 PCIe Peripheral Component Interconnect Express 2 2 PCI Express 5 4 PC Personal Computer 2 5 2 4 BIOS Basic Input Output System 2 5 2 4 ECC Error-correcting code memory 2 2 Elliptic Curve Cryptography 5 4 IP Internet Protocol 2 5 2 4 Intellectual Property 5 4 TDP Thermal Design Power 2 2 SAS Serial-Attached SCSI 2 2 Serial attached SCSI 5 4 SATA Serial AT Attachment 2 2 Serial ATA 5 4 LXC LinuX Containers 2 2 SDK Software Development Kit 2 5 2 4 TCP Transmission Control Protocol 2 5 2 4 UDP User Datagrap Protocol 2 2 User Datagram Protocol 5 4 OFX Open Financial Exchange 2 2 IPTV Internet Protocol Television 2 5 2 4 OSA Ochrann&#253; svaz autorsk&#253; 2 2 DVB-T Digital Video Broadcast - Terrestrial 2 2 BGP Border Gateway Protocol 2 5 2 4 AS Autonomous System 2 2 Access Server 5 4 SSD Solid State Drive 2 2 Software Specification Document 5 4 Solid-State Drive 5 4 AAQS Ambient Air Quality Standards (environment) (US) 4 3 AAU Assigned amount units (measurement) 4 3 ABT Availability based tariff (electricity) 4 3 ABF Aquatic Base Flow (Hydropower) (electricity) 4 3 AC Alternating current 4 3 Acoustic Coupler 5 4 Alternating Current 5 4 ACA Annual Charge Adjustment (electricity) 4 3 Acc. Accession countries (to the European Union) (government) 4 3 ACE Area Control Error (electricity) 4 3 Advanced Computing Environment 5 4 ACEEE American Council for an Energy-Efficient Economy 4 3 ACRS Accelerated Cost Recovery System (finance) 4 3 ADITC Accumulated Deferred Investment Tax Credit (policy) 4 3 AEP American Electric Power (electricity) 4 3 AESO Alberta Electric System Operator 4 3 AFE Authority for Expenditure or Authorization for Expenditure 4 3 AFUDC allowance for funds used during construction 4 3 AFV Alternative fuel vehicle 4 3 AGA American Gas Association 4 3 AGC Automatic generation control 4 3 AGD Associated Gas Distributors (US) 4 3 AIEE American Institute of Electrical Engineers 4 3 AIMA Agricultural Impact Mitigation Agreement (US) 4 3 ALJ Administrative law judge 4 3 AMBO Armenia, Macedonia, Bulgaria Oil pipeline 4 3 AMI Advanced metering infrastructure 4 3 AMR Automated meter reading also known as Automatic Meter Reading 4 3 Audio Modem Riser 5 4 AMRA Automatic Meter Reading Association 4 3 ANGTA Alaskan Natural Gas Transportation Act of 1977 to build the Alaska gas pipeline 4 3 ANGTS Alaskan Natural Gas Transportation System 4 3 ANSI American National Standards Institute 4 5 3 4 AOS Authorized Overrun Service 4 3 APA Administrative Procedure Act —Alaska Power Administration 4 3 APE Area of potential effect (electricity) 4 3 APPA American Public Power Association (electricity) 4 3 APR Actual peak reduction (e.g. in demand response systems) (electricity) 4 3 Apache Portable Runtime 5 4 AQCR Air Quality Control Region (US) (environment) 4 3 ARA (in shipping) ports of Amsterdam – Rotterdam – Antwerp (oil) 4 3 ARR Auction Revenue Rights (electricity) 4 3 ASCC Alaskan System Coordination Council 4 3 ASE Alliance to Save Energy 4 3 ASTM American Society for Testing and Materials 4 3 ATC Available transfer capability 4 3 AVR Automatic Voltage Regulator (electricity) 4 3 BA Balancing Authority 4 3 Biological Assessment 4 3 BACT Best Available Control Technology 4 3 BBL/D Barrel per day 4 3 BBL/SD Barrel per day, on stream days 4 3 BBL barrel (42 gallons) —Balgzand Bacton Line (BBL Pipeline) 4 3 BCD Barrel per day, on calendar days 4 3 Binary Coded Decimal 5 4 Boot Configuration Data 5 4 BCF billion cubic feet 4 3 BCP Blackstart Capability Plan 4 3 BES Bulk electric system (Electricity transmission) 4 3 BfP Bureau Fédéral du Plan (Belgium). (Has responsibilities over economic, social and environmental policy 4 3 bhp Brake horsepower 4 3 BIA Bureau of Indian Affairs (US) 4 3 bl Barrel 4 3 BLM Bureau of Land Management of United States Department of the Interior 4 3 BLS Bureau of Labor Statistics of United States Department of Labor 4 3 BOE Barrel of oil equivalent (international) 4 3 BPA Bonneville Power Administration (US) 4 3 BPL Broadband over power line 4 3 Broadband over Power Lines 5 4 BPS Bulk Power System (Electricity transmission) 4 3 BTMG Behind The Meter Generation 4 3 BTU British thermal unit(s) 4 3 BTX from BTX process, a mixture of benzene, toluene, and xylene (oil) 4 3 BuRec United States Bureau of Reclamation (government) 4 3 BWR Boiling water reactor (nuclear) 4 3 C&I Commercial and industrial customers (Electricity transmission) 4 3 CA Carbon Abatement- increasing carbon neutrality —Control area (EU) – The portion of the generation and transmission system controlled by a single transmission system operator. (See also TSO). 4 3 Computer architecture 5 4 CAA Clean Air Act (US) 4 3 CAEM Center for the Advancement of Energy Markets (US) 4 3 CAFE Corporate Average Fuel Economy standards (US) 4 3 CAISO California Independent System Operator Corporation, a regional transmission organization. (US) 4 3 CAP Capacity market programs —Climate Action Plan 4 3 CAPM Capital asset pricing model 4 3 CARB California Air Resources Board 4 3 CBL Customer Baseline Load 4 3 CBM Capacity Benefit Margin 4 3 CBOB Conventional Gasoline Blendstock for Oxygenate Blending (Motor Gasoline Blending Component) 4 3 CC Combined cycle see also CCPP and CCGT 4 3 CCGT Combined cycle gas turbine electricity generator 4 3 CCLIP Conditional Credit Line for Investment Projects 4 3 CCN Certificate of Convenience and Necessity (utilities regulation) 4 3 CCPG Colorado Coordinated Planning Group 4 3 CCPP Combined cycle power plant 4 3 CD Contract Demand 4 3 Compact Disc 5 4 CDD Cooling degree day, a qualitative index used to reflect the demand for energy to cool a business 4 3 CDM Clean Development Mechanism 4 3 CEA Country Environmental Analysis 4 3 CEC California Energy Commission —Commission for Environmental Cooperation 4 3 CEEC Central and Eastern European Countries 4 3 CEMS Continuous emissions monitoring system 4 3 CEP Country Environmental Profile —Clean Energy Partnership, a joint hydrogen-project in Europe. 4 3 CEPS Centre for European Policy Studies 4 3 CEPII Centre d'Etudes Prospectives et d'Informations Internationales Economics think tank 4 3 CEQ Council on Environmental Quality 4 3 CER Certified Emission Reduction 4 3 CERA Cambridge Energy Research Associates 4 3 CERCLA Comprehensive Environmental Response, Compensation, and Liability Act "Superfund" (US) 4 3 CERCLIS Comprehensive Environmental Response, Compensation, and Liability Information System (US) 4 3 CERTS Consortium for Electric Reliability Technology Solutions sposored by the United States Department of Energy and California Energy Commission (US) 4 3 CfD Contract for difference 4 3 CFTC Commodity Futures Trading Commission 4 3 CH4 Methane 4 3 CHP Combined heat and power 4 3 CIAC Contributions in Aid of Construction 4 3 CMVE Competitive Market Value Estimate 4 3 CNG Compressed natural gas 4 3 Cryptographic Next Generation 5 4 Cryptography Next Generation 5 4 CO Carbon monoxide 4 3 CO2 Carbon dioxide 4 3 COC Cost of capital 4 3 COE U.S. Army Corps of Engineers 4 3 CP Coincident Peak —Certificate Proceeding 4 3 CPI Consumer Price Index 4 3 CPP Critical Peak Pricing 4 3 CPP-F Critical peak fixed 4 3 Critical peak variable 4 3 CPS Control Performance Standard —Cycles per second (hertz) 4 3 characters per second 5 4 CPUC California Public Utilities Commission 4 3 CREF Caribbean Renewable Energy Facility 4 3 CRP Conservation Reserve Program (US) 4 3 CRT Capacity Reservation Tariff 4 3 Cathode Ray Tube 5 4 CSD Commission for Sustainable Development (UN) 4 3 CSEM Center for the Study of Energy Markets (US) 4 3 CSP Country Strategy Paper —Curtailment service provider 4 3 Cloud Service Provider 5 4 Communicating Sequential Processes 5 4 CT Combustion turbine (electricity) 4 3 Computerized Tomography 5 4 CZMA Coastal Zone Management Act 4 3 DADRP Day Ahead Demand Response Program 4 3 DANIDA Danish International Development Agency 4 3 DA-RTP RTP Day ahead real time pricing (regarding Electricity metering) 4 3 DC Direct current 4 3 DCLM Direct control load management 4 3 DCS Disturbance Control Standard 4 3 Distributed Control System 5 4 DEFG Distributed Energy Financial Group (US) 4 3 DEIS Draft Environmental Impact Statement (US) 4 3 DER Distributed Energy Resources 4 3 DF Distribution Factor 4 3 DG Distributed generation (electricity) —Directorate-General (EU) (government) 4 3 DIIS Danish Institute for International Studies (organization) 4 3 DLC Direct load control (regarding Load management) 4 3 DME Disturbance Monitoring Equipment 4 3 DO Dissolved oxygen 4 3 DOE United States Department of Energy (government) 4 3 DOE/FE United States Department of Energy Office of Fossil Energy (government) 4 3 DOI United States Department of the Interior (government) 4 3 DOT United States Department of Transportation (government) 4 3 DP Distribution point 4 3 Dot Pitch 5 4 DR Demand response 4 3 Disaster Recovery 5 4 DRAM Demand Response and Advanced Metering Coalition 4 3 Dynamic Random-Access Memory 5 4 DRB Demonstrated reserve base 4 3 DRCC Demand Response Coordinating Council (coalition) 4 3 DRR Demand Response resources 4 3 DRRC Demand Response Research Center (California) 4 3 DSM Demand side management 4 3 Dth Dekatherm (defined as 1 million British thermal units, also written "MMBtu") (measurement) 4 3 DTW dealer tank wagon (as in, "oil companies setting regional dealer tank wagon pricing") (Oil) 4 3 E&D Exploration and development expenses 4 3 E85 E85 fuel: A fuel containing a mixture of 85 percent ethanol and 15 percent gasoline 4 3 E95 like E85 fuel but with less gasoline. A fuel containing a mixture of 95 percent ethanol and 5 percent gasoline 4 3 EA Environmental assessment as in an Environmental impact assessment 4 3 EAR Estimated additional resources, as in considering reserves of uranium deposits 4 3 EC European Commission 4 3 ECAR East Central Area Reliability Coordination Agreement (US) 4 3 EPCIP European Programme for Critical Infrastructure Protection 4 3 ECPA Electric Consumers Protection Act (US) 4 3 EDC Electric Distribution Company (electricity) 4 3 EdF Electricité de France 4 3 EDRP Emergency demand response program 4 3 EE Energy efficiency 4 3 EEI Edison Electric Institute 4 3 EF Earth Fault 4 3 energy factor (clothes washers) 4 3 EHV Extra high voltage 4 3 EIA Energy Information Administration (US) —Environmental impact assessment (international) 4 3 EIB European Investment Bank 4 3 EIM Energy Imbalance Market (electricity) 4 3 Energy Improvement Mortgage 4 3 EIPP Eastern Interconnection Phasor Project 4 3 EIS Environmental Impact Statement (US) 4 3 ELCON Electricity Consumers Resources Council 4 3 EMF Electro magnetic field 4 3 EMP Environmental Management Plan 4 3 EOR Enhanced oil recovery 4 3 EPA United States Environmental Protection Agency 4 3 EPAct Energy Policy Act of 1992 (US) —Energy Policy Act of 2005 (US) 4 3 EPRI Electric Power Research Institute (US) 4 3 EPSA Electric Power Supply Association 4 3 EQR Electric Quarterly Report 4 3 ERA Economic Regulatory Administration (part of United States Department of Energy 4 3 ERCOT Electric Reliability Council of Texas, Inc, a regional transmission organization. (US) 4 3 ERGEG European Regulators Group for Electricity and Gas 4 3 ERIS Energy Resource Interconnection Service (electricity) 4 3 ERO Electric Reliability Organization. The US designated NERC as its ERO. 4 3 ERoEI Energy returned on energy invested 4 3 ERRA Energy Regulators Regional Association 4 3 ESCO Energy service company 4 3 ESI Environmental Sustainability Index 4 3 ESMAP Energy Sector Management Assistance Programme 4 3 ESP Electrostatic precipitator 4 3 ESS Energy Storage System, as in grid energy storage (electricity) 4 3 ETBE ethyl tertiary butyl ether 4 3 ETSO European Transmission System Operators association 4 3 EU European Union 4 3 EUEF European Union Energy Facility 4 3 EUEI European Union Energy Initiative 4 3 FAC Fuel Adjustment Clause 4 3 FACTS Flexible Alternating Current Transmission System 4 3 FASB Financial Accounting Standards Board 4 3 FBR fast breeder reactor 4 3 FCITC First Contingency Incremental Transfer Capability 4 3 FEIS Final Environmental impact statement (US) 4 3 FELCC Firm Energy Load Carrying Capability 4 3 FERC Federal Energy Regulatory Commission (U.S.) 4 3 FGD Flue-gas desulfurization 4 3 FINESSE Financing Energy Services for Small Scale Users 4 3 Fishway Fish ladder 4 3 FLPMA Federal Land Policy and Management Act (US) 4 3 FME Free market economics 4 3 FONSI Finding of no significant impact. See Environmental impact statement (US) 4 3 FPA Federal Power Act (US) 4 3 FPC Federal Power Commission (US) 4 3 FRCC Florida Reliability Coordinating Council (US) 4 3 FRS Financial Reporting System 4 3 FT Firm Transportation Service 4 3 FTC Federal Trade Commission (US) 4 3 FTR Firm Transmission Rights —Financial Transmission Rights. See explanation in electricity markets. 4 3 For the record 6 5 FTS Firm transportation service 4 3 FUA The Fuel Use Act (US) 4 3 FUCO Foreign Utility Company 4 3 FWPA Federal Water Power Act (US) 4 3 G&T Generation and transmission utility cooperative (electricity) 4 3 GADS Generating Availability Data System (electricity) 4 3 GAL gallon (measurement) 4 3 GAO Government Accountability Office (General Accounting Office) (US) (government) 4 3 GATT General Agreement on Tariffs and Trade (government) 4 3 GDP gross domestic product (economics) 4 3 GEF Global Environmental Facility (environment) 4 3 Genco Any company doing electricity generation (US) (electricity) 4 3 GFN Global Footprint Network 4 3 GFSE Global Forum on Sustainable Energy (organization) 4 3 GHC Gross Inland (energy) Consumption (EU) (energy) 4 3 GHG Greenhouse gas (climate) 4 3 GIA Generator Interconnection Agreement (electricity) 4 3 GIC Gas Inventory Charge (natural gas) 4 3 GISB Gas Industry Standards Board (now NAESB) (US) (natural gas) 4 3 GLDF Generator to Load Distribution Factor. See Load balancing (electricity) 4 3 Gm3 Billion cubic metres (measurement – gas) 4 3 GMO Genetically modified organism 4 3 GMP Green Mountain Power (US) (electricity) 4 3 GNP gross national product (economics) 4 3 GNSED Global Network for Sustainable Energy Development 4 3 GRI Gas Research Institute (US) (natural gas) 4 3 GridCo Any company running a transmission grid (electricity). Also known as a TransCo (US) (electricity) 4 3 GSF Generator to Load Distribution Factor. See Load balancing (electricity) 4 3 GSR Gas Supply Realignment (natural gas) 4 3 Gt Gigaton (1 billion tons) (measurement) 4 3 GTCC Gas Turbine Combined Cycle (electricity) 4 3 GTI Gas Technology Institute (US) 4 3 Gtoe One billion tons of oil equivalent(EU) (measurement- oil) 4 3 GVEP Global Village Energy Partnership (organization) 4 3 GVW gross vehicle weight (transportation) 4 3 GW Gigawatt (one billion watts) (measurement- elect) 4 3 GWE Gigawatt of electric energy (measurement- elect) 4 3 Gwh Gigawatt hour (one billion watt hours) (measurement- elect) 4 3 GWP global warming potential (climate) 4 3 HCA Host Control Area (electricity) 4 3 HDD Heating degree days a qualitative index used to reflect the demand for energy to heat a business (conservation) 4 3 heating degree day 4 3 Hard Disk Drive 5 4 HERS Home energy rating standard (conservation) 4 3 HHI Herfindahl–Hirschman Index (markets) 4 3 home heating index 4 3 HID high intensity discharge (electricity) 4 3 high-intensity discharge 4 3 Human Interface Device 5 4 hp Horsepower (measurement) 4 3 HTGR high temperature gas cooled reactor (nuclear) 4 3 HVAC Heating, ventilation, and air conditioning (conservation) —High voltage alternating current (electricity) 4 3 HVAR Highly Valued Aquatic Resource 4 3 HVDC High Voltage Direct Current 4 3 I/C Interruptible /Curtailable (electricity) 4 3 ICAP Installed Capacity (electricity) 4 3 ICAP-SCR Installed capacity special case resources (electricity) 4 3 ICCP Inter-Control Center Communications Protocol (electricity) 4 3 ICE Internal combustion engine (transportation) 4 3 In-Circuit Emulator 5 4 Intrusion Countermeasure Electronics 5 4 ICT Independent Coordinator of Transmission (US) (electricity) —Information and Communication Technology 4 3 Information and Communication Technology 5 4 IDC Interchange Distribution Calculator (electricity) 4 3 IEA International Energy Agency (Paris) 4 3 IEM Internal electricity market (electricity) 4 3 IEEE Institute of Electrical and Electronics Engineers 4 5 3 4 IEPE Institute of Energy Policy and Economics (France) 4 3 IER Incremental Energy Rate 4 3 IET International emission trading (policy) 4 3 IGCC Integrated coal gasification combined cycle 4 3 IGIC Interim gas inventory charge (natural gas) 4 3 IGSC Interim gas supply charge (natural gas) 4 3 IGT Institute of Gas Technology (natural gas) 4 3 IHR Incremental Heat Rate- plant monitoring (electricity) 4 3 IIASA International Institute for Applied System Analysis 4 3 IJC International Joint Commission 4 3 ILP Integrated Licensing Process 4 3 INGAA Interstate Natural Gas Association of America 4 3 IOS Interconnected Operations Services (electricity) 4 3 IOU Investor owned utility (electricity) 4 3 IPAA Independent Petroleum Association of America (oil) 4 3 IPCC Intergovernmental Panel on Climate Change (climate) 4 3 IPP Independent Power Producer (electricity) 4 3 Internet Printing Protocol 5 4 IPS/UPS Integrated Power System/United Power System, consisting of Independent Power Systems of 12 countries bordering Russia and the Unified Power System of Russia 4 3 IROL Interconnection Reliability Operating Limit (electricity) 4 3 IRP Integrated Resource Planning 4 3 I/O Request Packet 5 4 IRR Internal Rate of Return (finance) 4 3 ISO Independent System Operator (US) (see also TSO) Responsible for grid management, but does not own assets. (electricity) 4 3 NE ISO New England, Inc. (electricity) 4 3 International Organization for Standardization 5 4 ISO-NE Independent System Operator of New England, a regional transmission organization. (US) (electricity) 4 3 ISS Interruptible Sales Service 4 3 IT Interruptible Transportation is gas shipment via pipeline whose delivery may be interrupted in favor of "firm shipment" contracts if there is lack of capacity. (natural gas) 4 3 Information Technology 5 4 ITC Investment tax credit (policy) 4 3 ITS "Interruptible Transportation Service" is gas shipment via pipeline whose delivery may be interrupted in favor of "firm shipment" contracts if there is lack of capacity. (natural gas) 4 3 JRC Joint Research Centre 4 3 JREC Johannesburg Renewable Energy Coalition 4 3 koe One kilogram oil equivalent (EU) (measurement) 4 3 kV Kilovolt (one thousand volts) (measurement) 4 3 kVA One thousand volt Ampere (measurement) 4 3 kvar one thousand vars (measurement) 4 3 kW Kilowatt (one thousand watts) (measurement) 4 3 kWE kilowatt electric (measurement) 4 3 kWh Kilowatt hour (one thousand watt hours) (measurement) 4 3 LaaR Load acting as a resource (ERCOT category) (electricity) 4 3 LBA Local Balancing Authority (electricity) 4 3 Logical Block Addressing 5 4 LBNL Lawrence Berkeley National Laboratory (US) 4 3 LDC Local distribution company (electricity) 4 3 LEVP Low Emissions Vehicle Program 4 3 LHV lower heating value 4 3 LIHEAP Low Income Home Energy Assistance Program 4 3 LIPA Long Island Power Authority (US) (electricity) 4 3 LLF Load-loss factor (electricity) 4 3 LMP Locational marginal price/pricing. See explanation in electricity markets. 4 3 LMR Load Modifying Resource (electricity) 4 3 LNG Liquified Natural Gas 4 3 LODF Line Outage Distribution Factor (electricity) 4 3 LOLE Loss of Load Expectation (electricity) 4 3 LPG liquefied petroleum gas 4 3 LPN Lender Participation Notes 4 3 LRG liquefied refinery gases 4 3 LSE Load serving entity 4 3 LSF Load Shift Factor 4 3 lsfo Low sulfur fuel oil 4 3 LWR light water reactor 4 3 MAAC Mid Atlantic Area Council (US- geographically within PJM) 4 3 MADRI Mid Atlantic Distributed Resources Initiative (US) 4 3 MAIN Mid America Interconnected Network (US) 4 3 MAOP Maximum allowable operating pressure 4 3 MAPP Mid Continent Area Power Pool (US) 4 3 MBD million barrels per day 4 3 Model-Based Design 5 4 MBOED One million barrels of oil equivalent(EU) 4 3 MBR Market based Rates 4 3 Master Boot Record 5 4 Mcf Roman numeral "M" for one thousand cubic feet (measurement of natural gas) 4 3 MDAS Meter Data Acquisition System 4 3 MDD Maximum Daily Delivery Obligations 4 3 MDDQ Maximum Daily Delivery Quantity 4 3 MDM Meter Data Management 4 3 MDQ Maximum Daily Quantities 4 3 MECS Manufacturing Energy Consumption Survey 4 3 MEDREP Mediterranean Renewables Energy Partnership 4 3 MER Maximum efficient rate 4 3 MERC Mobile Emission Reduction Credit (MERC) (US) 4 3 MFV Modified fixed variable rate 4 3 MISO Midcontinent Independent System Operator, Inc. A regional transmission organization. (US) 4 3 MLP Maximum lawful price 4 3 MLRA Major Land Resource Areas 4 3 MM Used to denote million in gas usage 4 3 MMbbl/d one million barrels of oil per day 4 3 MMBtu 1 million British thermal units, same as dekatherm 4 3 MMC Market Monitoring Center 4 3 Microsoft Management Console 5 4 MMCF one million cubic feet (measurement of natural gas) 4 3 MMCFD one million cubic feet per day 4 3 MMGAL one million gallons 4 3 MMGAL/D one million gallons per day 4 3 MMS Minerals Management Service (US) 4 3 MMST one million short tons 4 3 MODFLOW model of groundwater flow 4 3 MOU Memorandum of Understanding 4 3 MOX mixed oxide fuel (nuclear) 4 3 MPG Miles per gallon 4 3 MRO Midwest Reliability Organization (US) 4 3 MSA metropolitan statistical area 4 3 Mail Submission Agent 5 4 MSHA Mine Safety and Health Administration (US) 4 3 msl Mean sea level 4 3 MSW Municipal solid waste 4 3 Mt one million tons (ambiguous as to whether short tons or metric tons) —one Metric ton 4 3 MTBE methyl tertiary butyl ether 4 3 MTEF Medium Term Expenditure Framework 4 3 MTEP Midwest ISO Transmission Expansion Plan 2005 (US) 4 3 Mtoe One million tons of oil equivalent(EU) 4 3 Muni Municipality 4 3 MVA Megavolt amperes (one million volt amperes) 4 3 MW Megawatt (one million watts) 4 3 MWE megawatt electric 4 3 MWh Megawatt hour (one million watt hours) 4 3 N2O nitrous oxide 4 3 NAAQS National Ambient Air Quality Standards (US) 4 3 NAESB North American Energy Standards Board (formerly GISB) 4 3 NAFTA North American Free Trade Agreement 4 3 NAICS North American Industry Classification System 4 3 NAP National Renewable Energy Action Plan 4 3 Network Access Protection 5 4 NARUC National Association of Regulatory Utility Commissioners (US) [1] 4 3 NAS United States National Academy of Sciences 4 3 Network-Attached Storage 5 4 NASPI North American Synchrophasor Initiative 4 3 NASUCA National Association of Utility Consumer Advocates(US) 4 3 NATC Non Recallable Available Transfer Capability 4 3 NBS National Bureau of Standards (US) 4 3 NCD Non coincidental Demand 4 3 NCEP National Council on Electricity Policy (US) [2] 4 3 NCSL National Conference of State Legislatures (US) 4 3 NEA The National Energy Act of 1978 (US) 4 3 NEB National Energy Board (Canada) 4 3 NEDRI New England Distributed Resources Initiative (US) 4 3 NEPA National Environmental Policy Act (US) 4 3 NEPOOL New England Power Pool 4 3 NERC North American Electric Reliability Council 4 3 NGA Natural Gas Act (US) 4 3 NGAA Natural Gasoline Association of America (US) 4 3 NGL natural gas liquids 4 3 aNGeL 5 4 Not gonna lie 6 5 NGPA Natural Gas Policy Act of 1978 (US) 4 3 NGPL Natural gas plant liquids 4 3 NGPSA Natural Gas Pipeline Safety Act of 1968 (US) 4 3 NGSA Natural Gas Supply Association (US) 4 3 NGV Natural gas vehicle 4 3 NHPA National Historic Preservation Act (US) 4 3 NIETC National Interest Electric Transmission Corridor (US) 4 3 NITC Normal Incremental Transfer Capability 4 3 NIMBY Not in my backyard regarding siting of energy generation and transmission infrastructure. 4 3 NOAA National Oceanic and Atmospheric Administration (US) 4 3 NOC National Oil Company 4 3 Network Operations Center 5 4 NOPR Notice of Proposed Rulemaking (US) 4 3 NORDEL association of Nordic electric system operators, comprising Denmark, Finland, Norway, Sweden 4 3 NOx nitrogen oxides 4 3 NPCC Northeast Power Coordinating Council (US) 4 3 NRC Nuclear Regulatory Commission (US) 4 3 NRCS National Resource Conservation Service (US) 4 3 NRECA National Association of Rural Electric Cooperatives (US) 4 3 NREPA National Resource and Environmental Protection Act (US) 4 3 NRI National Rivers Inventory (US) 4 3 NRIS Network Resource Interconnection Service (electricity) 4 3 NSA Noise sensitive area 4 3 Network Security Appliance 5 4 NTAC Northwest Transmission Assessment Committee (US) 4 3 NUG Non Utility Generator 4 3 NURE national uranium resource evaluation (US) 4 3 NYDER New York Department of Environmental Resources 4 3 NYISO New York Independent System Operator, Inc. (US) 4 3 NYPSC New York Public Service Commission 4 3 NYSERDA New York State Energy Research and Development Authority 4 3 O&M Operation and Maintenance Expenses 4 3 O3 Ozone 4 3 OASIS Open Access Same-Time Information System 4 3 Organization for the Advancement of Structured Information Standards 5 4 OATT Open Access Transmission Tariff (US) 4 3 OCS Outer Continental Shelf (oil) 4 3 OCSLA Outer Continental Shelf Lands Act (oil) 4 3 OECD Organization for Economic Cooperation and Development 4 3 OFO Operational Flow Order 4 3 OMP Operation and Maintenance Plan 4 3 Ontario IESO Ontario Independent Electricity System Operator (Canada) 4 3 OPEC Organization of Petroleum-Exporting Countries (oil) 4 3 OPRG oxygenated fuels program reformulated gasoline (oil) 4 3 ORNL Oak Ridge National Laboratory (U.S.) (nuclear) 4 3 OSHA U.S. Department of Labor Occupational Safety and Health Administration 4 3 OTAG Ozone Transport Assessment Group 4 3 OTDF Outage Transfer Distribution Factor 4 3 OTEC ocean thermal energy conversion (electricity) 4 3 PADD Petroleum Administration for Defense Districts (US) 4 3 PBR pebble bed reactor (nuclear) 4 3 PCB polychlorinated biphenyl 4 3 Printed Circuit Board 5 4 Process Control Block 5 4 PCM Project Cycle Management 4 3 Pulse-Code Modulation 5 4 PCT Programmable Communicating Thermostat (electricity) 4 3 PD Preliminary Determination 4 3 Public Domain 5 4 PDC Phasor data concentrator. See description in phasor measurement unit article. (electricity) 4 3 PDCI Pacific Direct Current Intertie (US) (electricity) 4 3 PEM Proton Exchange Membrane 4 3 PFC perfluorocarbons 4 3 PG&E Pacific Gas & Electric (US) (electricity) 4 3 PGA Purchased gas adjustment 4 3 Pin Grid Array 5 4 Programmable Gate Array 5 4 PHA Production Handling Agreement 4 3 PHFFU Plant held for future use 4 3 PIDX Petroleum Industry Data Exchange (oil) 4 3 PIER Public Interest Energy Research (CEC) 4 3 PIFUA Powerplant and Industrial Fuel Use Act of 1978 4 3 PJM PJM Interconnection, LLC, a regional transmission organization. (US) (electricity) 4 3 PLC Power line communication (electricity) 4 3 Power Line Communication 5 4 Programmable Logic Controller 5 4 PLMA Peak Load Management Association (US) (electricity) 4 3 PM Particulate matter 4 3 PM&E Protection, mitigation and enhancement 4 3 PMA Power Marketing Administration or Fed. Power Marketing Agency (US) (electricity) 4 3 PMU Phasor measurement unit (electricity) 4 3 PNNL Pacific Northwest National Laboratory (DOE) (US) 4 3 POD Point of Delivery 4 3 PoE Power over Ethernet 4 5 3 4 POLES Prospective On Long Term Energy Systems 4 3 POLR Provider of last resort (electricity) 4 3 PPA Power Purchase Agreement (electricity) 4 3 PPI producer price index 4 3 Pixels Per Inch 5 4 ppmv Parts Per Million by Volume 4 3 ppp Purchasing power parity 4 3 PPR Potential peak reduction 4 3 PREP Pacific Regional Energy Programme 4 3 PRESSEA Promotion of Renewable Energy Sources in South East Asia (PRESSEA) 4 3 Prim Primary (electricity) nuclear, hydro, geothermal, wind, solar 4 3 PSC Public Service Commission 4 3 PSD Prevention of Significant Deterioration 4 3 PSE Puget Sound Energy (US) (electricity) 4 3 PTDF Power Transfer Distribution Factor (electricity) 4 3 PTP Point to Point Transmission Service (electricity) 4 3 PUC Public Utility Commission (electricity) 4 3 PUD Public Utility District (electricity) 4 3 PUHCA Public Utility Holding Company Act of 1935 (US) (electricity) 4 3 PURPA Public Utility Regulatory Policies Act of 1978 (US) (electricity) 4 3 PV photovoltaic (solar) 4 3 Physical Volume 5 4 PVC photovoltaic cell (solar) 4 3 polyvinyl chloride 4 3 PWR pressurized water reactor (nuclear) 4 3 PX Power exchange 4 3 QF qualifying facility 4 3 QSE Qualifying scheduling entity 4 3 QUAD 1015 Btu (a quadrillion in the short scale) 4 3 R/P Reserve on Production —Reserves to Production 4 3 RAB Regional Advisory Body (US) 4 3 RAC Refiners' acquisition cost 4 3 RAP Regulatory Assistance Project 4 3 RAR Reasonable assured resources 4 3 RAS Remedial Action Scheme 4 3 Reliability, Availability and Serviceability 5 4 Remote Access Service 5 4 RATC Recallable Available Transmission Capability 4 3 RBMK Russian: Реактор Большой Мощности Канальный = "High Power Channel Type Reactor" (RU) 4 3 RBOB reformulated gasoline blendstock for oxygenate blending 4 3 RC Reliability Coordinator 4 3 Region Code 5 4 Release Candidate 5 4 Run Commands 5 4 RCIS Reliability Coordinator Information System 4 3 RCRA Resource Conservation and Recovery Act (US) 4 3 RDF refuse derived fuel (electricity) 4 3 Resource Description Framework 5 4 REA Rural Electrification Administration (US) 4 3 RECS Residential Energy Consumption Survey (US) 4 3 REEEP Renewable Energy and Energy Efficiency Partnership 4 3 RER Renewable Energy Rider 4 3 RES Renewable energy source 4 3 RET/EE IAF Renewable Energy Technology & Energy Efficiency Investment Advisory Facility 4 3 RF Radio frequency 4 3 Radio Frequency 5 4 RFA Regulatory Flexibility Act (US) 4 3 RFC ReliabilityFirst Corporation (US) (electricity) 4 3 Request For Comments 5 4 RFG reformulated gasoline (oil) 4 3 RFP Request for proposals 4 3 RGGI Regional Greenhouse Gas Initiative 4 3 RGS Renewable Generating System 4 3 RM Rulemaking 4 3 RMATS Rocky Mountain Area Transmission Study (US) (electricity) 4 3 RMR Reliability Must Run (electricity) 4 3 RMU Removal Units 4 3 ROA Return of Assets (finance) 4 3 ROFR Right of First Refusal (finance) 4 3 ROW Right of Way 4 3 RRO Regional reliability organization (US) 4 3 RSE Revenue Stream Estimate (finance) 4 3 relative standard error 4 3 RTBM Real-Time Balancing Market (electricity) 4 3 RTEP Regional transmission expansion plan 4 3 RTG Regional Transmission Group (US) 4 3 RTO Regional transmission organization (US) 4 3 RTP Real time Pricing 4 3 Real-time Transport Protocol 5 4 RTU Remote Terminal Unit 4 3 RUS Rural Utilities Service 4 3 RVP Reid vapor pressure 4 3 SCADA Supervisory control and data acquisition a remote control and telemetry system used to monitor and control the electrical system 4 3 Supervisory Control And Data Acquisition 5 4 SCE Southern California Edison (US) 4 3 SCE&G South Carolina Electric & Gas (US) 4 3 scf Standard cubic foot 4 3 SCO Stranded Cost Obligation (finance) 4 3 SCR Special Case Resources (US- NYISO category) 4 3 Selective Catalytic Reduction 4 3 SDG&E San Diego Gas & Electric (US) 4 3 SEA Strategic Environmental Assessment 4 3 SEC Securities and Exchange Commission (US) 4 3 Single Edge Contact 5 4 SEER seasonal energy efficiency ratio 4 3 seasonal E efficiency ratio 4 3 SEFI Sustainable Energy Finance Initiative 4 3 SEIA Sustainable Energy Industry Association 4 3 SERC Southeastern Electric Reliability Council (US) 4 3 SF6 sulfur hexafluoride 4 3 SFC Solid oxide fuel cell (transportation) 4 3 SFEIS Supplemental Final Environmental Impact Statement (US) 4 3 SFV Straight Fixed Variable 4 3 SGR State game refuge (US) 4 3 Select Graphic Rendition 5 4 SHPO State Historic Preservation Office (US) 4 3 SI International System of Units (Système international d'unités) 4 3 SIC Standard Industrial Classification 4 3 SMPs Special Marketing Programs 4 3 SNG Synthetic Natural Gas or Substitute Natural Gas 4 3 SO2 Sulfur dioxide 4 3 SOL System Operating Limit 4 3 SPCC Spill Prevention, Containment and Countermeasure Plan SPM—Synchronized phasor measurement- a WAMS network with synchrophasor sensors (PMUs). (electricity) 4 3 SPP Southwest Power Pool Inc., a regional transmission organization (US) —Statewide Pricing Pilot (US-California) 4 3 SPR Strategic Petroleum Reserve (US) 4 3 SPS Special Protection System 4 3 SR Speculative resources For example, regarding uranium deposits. (nuclear) 4 3 SRP Salt River Agricultural Improvement & Power District (US) (electricity) 4 3 SSG WI PWG Seams Steering Group of Western Interconnection PlanningWork Group (US) (electricity) 4 3 SSM Synchronized system measurement-a WAMS with synchronous sensors in addition to PMUs. See Phasor networks. 4 3 STEP Southwest Transmission Expansion Plan group (US) (electricity) 4 3 SVC Static VAR compensator (electricity) 4 3 Scalable Video Coding 5 4 SWAT Southwest Area Transmission (US) (electricity) 4 3 SWU Separative work unit 4 3 TAME Tertiary amyl methyl ether 4 3 TAPS Trans-Alaska Pipeline System (natural gas) 4 3 TBA tertiary butyl alcohol 4 3 TBL Transmission business line (electricity) 4 3 TBS Town border station 4 3 Tcf Trillion cubic feet (measurement) 4 3 TCR Transition Cost Recovery (Mechanism) 4 3 TDU Transmission Dependent Utility (electricity) 4 3 TEFRA Tax Equity and Fiscal Responsibility Act of 1985 4 3 TEN Trans-European Networks (electricity) 4 3 TLR Procedures Transmission Line Loading Relief Procedures (electricity) 4 3 TO Transmission owner (electricity) 4 3 toe Ton of oil equivalent (EU) 4 3 TOP Transmission Operator (electricity) 4 3 TOU Time of use (rate) (electricity) 4 3 Transco Transmission Company (US) (electricity) —Transcontinental Pipeline (US) (natural gas) 4 3 TRM Transmission Reliability Margin (electricity) 4 3 TSO Transmission System Operator) (electricity) 4 3 Time Sharing Option 5 4 TSR Transmission Service Request (electricity) 4 3 Terminate and Stay Resident 5 4 TTC Total Transfer Capability (electricity) 4 3 TVA Tennessee Valley Authority (US) (electricity) 4 3 TW terawatt (one trillion watts) (measurement) 4 3 TWH terawatt-hour (one trillion watt hours) 4 3 T&D Transmission & Distribution 4 3 U.S.C. United States Code 4 3 U3O8 triuranium octaoxide (nuclear) 4 3 UAE United Arab Emirates (oil) 4 3 UCAP Unforced Capacity (electricity) 4 3 UCTE Union for the Coordination of the Transport of Electricity, the power transmission system of continental Europe 4 3 UF6 uranium hexaflouride (nuclear) 4 3 UFLS Under frequency load shedding (electricity) 4 3 UHVAC Ultra High Voltage Alternating Current (electricity) 4 3 UHVDC Ultra High Voltage Direct Current (electricity) 4 3 ULCC Ultra Large Crude Carrier (oil) 4 3 UMTRA Uranium Mill Tailings Radiation Control Act of 1978 (US) 4 3 UNCCD United Nations Convention to Combat Desertification 4 3 UNDESA UN Department of Economic and Social Affairs 4 3 UNDP United Nations Development Programme 4 3 UNECE United Nations Economic Commission for Europe 4 3 UNEP United Nations Environment Programme 4 3 UNFCCC United Nations Framework Convention on Climate Change 4 3 UO2 uranium dioxide (nuclear) 4 3 UO3 uranium trioxide (nuclear) 4 3 UO4 uranyl peroxide (nuclear) 4 3 UOX uranium oxide (nuclear) 4 3 URR Ultimate Recoverable Resources 4 3 USBR United States Bureau of Reclamation 4 3 USCE United States Army Corps of Engineers 4 3 US DOE United States Department of Energy 4 3 USGS United States Geological Survey 4 3 UVLS Under voltage load shedding (electricity) 4 3 V Volt (measurement) 4 3 VA Volt-ampere (measurement) 4 3 var Volt-ampere reactive (measurement) 4 3 variable 5 4 VAWT vertical axis wind turbine (wind) 4 3 VIN vehicle identification number (US) (transportation) 4 3 VLCC very large crude carrier (oil) 4 3 VMT vehicle miles traveled (transportation) 4 3 VOC volatile organic compound 4 3 VPP Variable peak pricing (electricity) 4 3 VSA Voltage stability analysis 4 3 W Watt 4 3 WACOG weighted average cost of gas 4 3 WAMS Wide area measurement system- see description in phasor measurement unit article. (electricity) 4 3 WCMC World Conservation Monitoring Centre 4 3 WCRE World Commission on Renewable Energy 4 3 WEA World Energy Assessment 4 3 WEC World Energy Council 4 3 WECC Western Electricity Coordinating Council (US) 4 3 WEEA World Energy Efficiency Organization 4 3 WH watthour (measurement) 4 3 WHO World Health Organisation 4 3 WIRAB Western Interconnection Regional Advisory Body (US) 4 3 WRI World Resources Institute 4 3 WSCC Western Systems Coordinating Council (US) 4 3 WSPP Western Systems Power Pool (US) 4 3 WSSD World Summit on Sustainable Development 4 3 WTG Wind turbine generator (wind) 4 3 Way to go 6 5 WTP Willingness to pay 4 3 WY Water Year (measurement) 4 3 AFUE annual fuel utilization efficiency 4 3 BTL building tightness limit (building tightness) 4 3 CDH cooling degree hours (climate) 4 3 CFL compact fluorescent light 4 3 COP coefficient of performance 4 3 CRI color rendering index 4 3 EEM Energy Efficient Mortgage 4 3 EER energy efficiency ratio 4 3 ERV energy-recovery ventilator 4 3 HRV heat-recovery ventilator 4 3 HSPF heating seasonal performance factor 4 3 HVI Home Ventilating Institute 4 3 IECC International Energy Conservation Code 4 3 K-value thermal conductance 4 3 Low-e low emissivity 4 3 LEED Leadership in Energy and Environmental Design, standard for Green Building design 4 3 MEF modified energy factor (clothes washers) 4 3 MINHERS Mortgage Industry National Home Energy Rating Systems Standards 4 3 MVG minimum ventilation guideline (building tightness) 4 3 MVL minimum ventilation level (building tightness) 4 3 NAECA National Appliance Energy Conservation Act 4 3 ODS oxygen depletion sensor 4 3 RESNET Residential energy services network 4 3 R-value thermal resistance 4 3 SC shading coefficient (windows) 4 3 SHGC solar heat gain coefficient 4 3 SIR savings-to-investment ratio (energy conservation investments) 4 3 SPB Simple Payback (energy conservation investments) 4 3 SSE steady-state efficiency 4 3 Streaming SIMD Extensions 5 4 U-value thermal transmittance (also called U-factor) 4 3 WF water factor (clothes washers) 4 3 #! Shebang 5 4 /. Slashdot 5 4 1GL First-Generation Programming Language 5 4 1NF First Normal Form 5 4 10B2 10BASE-2 5 4 10B5 10BASE-5 5 4 10B-F 10BASE-F 5 4 10B-FB 10BASE-FB 5 4 10B-FL 10BASE-FL 5 4 10B-FP 10BASE-FP 5 4 10B-T 10BASE-T 5 4 100B-FX 100BASE-FX 5 4 100B-T 100BASE-T 5 4 100B-TX 100BASE-TX 5 4 100BVG 100BASE-VG 5 4 286 Intel 80286 processor 5 4 2B1Q 2 Binary 1 Quaternary 5 4 2FA Two-factor authentication 5 4 2GL Second-Generation Programming Language 5 4 2NF Second Normal Form 5 4 3GL Third-Generation Programming Language 5 4 3GPP 3rd Generation Partnership Project—'3G comms 5 4 3GPP2 3rd Generation Partnership Project 2 5 4 3NF Third Normal Form 5 4 386 Intel 80386 processor 5 4 486 Intel 80486 processor 5 4 4B5BLF 4 Byte 5 Byte Local Fiber 5 4 4GL Fourth-Generation Programming Language 5 4 4NF Fourth Normal Form 5 4 5GL Fifth-Generation Programming Language 5 4 5NF Fifth Normal Form 5 4 6NF Sixth Normal Form 5 4 8B10BLF 8 Byte 10 Byte Local Fiber 5 4 802.11 Wireless LAN 5 4 AAA Authentication Authorization, Accounting 5 4 AABB Axis Aligned Bounding Box 5 4 AAC Advanced Audio Coding 5 4 AAL ATM Adaptation Layer 5 4 AALC ATM Adaptation Layer Connection 5 4 AARP AppleTalk Address Resolution Protocol 5 4 ABAC Attribute-Based Access Control 5 4 ABCL Actor-Based Concurrent Language 5 4 ABI Application Binary Interface 5 4 ABM Asynchronous Balanced Mode 5 4 ABR Area Border Router 5 4 Auto Baud-Rate detection 5 4 Available Bitrate 5 4 Average Bitrate 5 4 ACD Automatic Call Distributor 5 4 ACID Atomicity Consistency Isolation Durability 5 4 ACK ACKnowledgement 5 4 Amsterdam Compiler Kit 5 4 ACM Association for Computing Machinery 5 4 ACME Automated Classification of Medical Entities 5 4 ACP Airline Control Program 5 4 ACPI Advanced Configuration and Power Interface 5 4 ACR Allowed Cell Rate 5 4 Attenuation to Crosstalk Ratio 5 4 AD Active Directory 5 4 Administrative Domain 5 4 ADC Analog-to-Digital Converter 5 4 Apple Display Connector 5 4 ADB Apple Desktop Bus 5 4 ADCCP Advanced Data Communications Control Procedures 5 4 ADO ActiveX Data Objects 5 4 ADSL Asymmetric Digital Subscriber Line 5 4 ADT Abstract Data Type 5 4 AE Adaptive Equalizer 5 4 AES Advanced Encryption Standard 5 4 AF Anisotropic Filtering 5 4 As fuck 6 5 AFP Apple Filing Protocol 5 4 AGP Accelerated Graphics Port 5 4 AH Active Hub 5 4 AI Artificial Intelligence 5 4 AIX Advanced Interactive eXecutive 5 4 Ajax Asynchronous JavaScript and XML 5 4 AL Active Link 5 4 Access List 5 4 ALAC Apple Lossless Audio Codec 5 4 ALGOL Algorithmic Language 5 4 ALSA Advanced Linux Sound Architecture 5 4 ALU Arithmetic and Logical Unit 5 4 AM Access Method 5 4 Active Matrix 5 4 Active Monitor 5 4 Allied Mastercomputer 5 4 Amplitude Modulation 5 4 AMOLED Active-Matrix Organic Light-Emitting Diode 5 4 AMD Advanced Micro Devices 5 4 AMQP Advanced Message Queuing Protocol 5 4 ANN Artificial Neural Network 5 4 ANT Another Neat Tool 5 4 AoE ATA over Ethernet 5 4 AOP Aspect-Oriented Programming 5 4 APCI Application-Layer Protocol Control Information 5 4 APIC Advanced Programmable Interrupt Controller 5 4 APIPA Automatic Private IP Addressing 5 4 APL A Programming Language 5 4 ARC Adaptive Replacement Cache 5 4 Advanced RISC Computing 5 4 ARIN American Registry for Internet Numbers 5 4 ARM Advanced RISC Machines 5 4 AROS AROS Research Operating System 5 4 ARP Address Resolution Protocol 5 4 ARPA Address and Routing Parameter Area 5 4 Advanced Research Projects Agency 5 4 ARPANET Advanced Research Projects Agency Network 5 4 ASCII American Standard Code for Information Interchange 5 4 AuthIP Authenticated Internet Protocol 5 4 ASET Automated Security Enhancement Tool 5 4 ASG Abstract Semantic Graph 5 4 ASIC Application-Specific Integrated Circuit 5 4 ASIMO Advanced Step in Innovative Mobility 5 4 ASLR Address Space Layout Randomization 5 4 ASM Algorithmic State Machine 5 4 ASMP Asymmetric Multiprocessing 5 4 ASN.1 Abstract Syntax Notation 1 5 4 ASP Active Server Pages 5 4 Application Service Provider 5 4 ASR Asynchronous Signal Routine 5 4 AST Abstract Syntax Tree 5 4 ASSP Application-Specific Standard Product 5 4 AT Advanced Technology 5 4 Access Time 5 4 Active Terminator 5 4 ATA Advanced Technology Attachment 5 4 ATAG Authoring Tool Accessibility Guidelines 5 4 ATAPI Advanced Technology Attachment Packet Interface 5 4 ATM Asynchronous Transfer Mode 5 4 At the moment 6 5 AV Antivirus 5 4 AVC Advanced Video Coding 5 4 AVI Audio Video Interleaved 5 4 AWK Aho Weinberger Kernighan 5 4 AWT Abstract Window Toolkit 5 4 AWFL Acronym With Four Letters 5 4 B2B Business-to-Business 5 4 Business to Business 6 5 B2E Business-to-Employee 5 4 BAL Basic Assembly Language 5 4 BAM Block Availability Map 5 4 Bash Bourne-again shell 5 4 BASIC Beginner's All-Purpose Symbolic Instruction Code 5 4 BBP Baseband Processor 5 4 BBS Bulletin Board System 5 4 BCNF Boyce–Codd normal form 5 4 BEEP Blocks Extensible Exchange Protocol 5 4 BER Bit Error Rate 5 4 BFD Bidirectional Forwarding Detection 5 4 Binary File Descriptor 5 4 BFS Breadth-First Search 5 4 BFT Byzantine Fault Tolerant 5 4 BI Business Intelligence 5 4 BiDi Bi-Directional 5 4 bin binary 5 4 BINAC Binary Automatic Computer 5 4 BIND Berkeley Internet Name Domain 5 4 BJT Bipolar Junction Transistor 5 4 bit binary digit 5 4 Blob Binary large object 5 4 Blog Web Log 5 4 BMP Basic Multilingual Plane 5 4 BNC Bayonet Neill-Concelman 5 4 BOINC Berkeley Open Infrastructure for Network Computing 5 4 BOM Byte Order Mark 5 4 BOOTP Bootstrap Protocol 5 4 BPDU Bridge Protocol Data Unit 5 4 BPEL Business Process Execution Language 5 4 BPM Business Process Management 5 4 Business Process Modeling 5 4 bps bits per second 5 4 BRM Business Reference Model 5 4 BRMS Business Rule Management System 5 4 BRR Business Readiness Rating 5 4 BRS Broadband Radio Service 5 4 BSA Business Software Alliance 5 4 BSB Backside Bus 5 4 BSD Berkeley Software Distribution 5 4 BSoD Blue Screen of Death 5 4 BSS Block Started by Symbol 5 4 BT BitTorrent 5 4 Bluetooth 5 4 B TAM Basic Telecommunications Access Method 5 4 BW Bandwidth 5 4 BYOD Bring Your Own Device 5 4 Byte By eight (group of 8 bits) 5 4 CAD Computer-Aided Design 5 4 CAE Computer-Aided Engineering 5 4 CAID Computer-Aided Industrial Design 5 4 CAI Computer-Aided Instruction 5 4 CAM Computer-Aided Manufacturing 5 4 CAPTCHA Completely Automated Public Turing Test to tell Computers and Humans Apart 5 4 CAT Computer-Aided Translation 5 4 CAQ Computer-Aided Quality Assurance 5 4 CASE Computer-Aided Software Engineering 5 4 cc C Compiler 5 4 CDE Common Desktop Environment 5 4 CDFS Compact Disk File System 5 4 CDN Content Delivery Network 5 4 CDP Cisco Discovery Protocol 5 4 Continuous Data Protection 5 4 CD-R CD-Recordable 5 4 CD-ROM CD Read-Only Memory 5 4 CD-RW CD-Rewritable 5 4 CDSA Common Data Security Architecture 5 4 CERT Computer Emergency Response Team 5 4 CES Consumer Electronics Show 5 4 CF Compact Flash 5 4 CFD Computational Fluid Dynamics 5 4 CFG Context-Free Grammar 5 4 Control Flow Graph 5 4 CG Computer Graphics 5 4 CGA Color Graphics Array 5 4 CGI Common Gateway Interface 5 4 Computer-Generated Imagery 5 4 CGT Computational Graph Theory 5 4 CHAP Challenge-Handshake Authentication Protocol 5 4 CHS Cylinder-Head-Sector 5 4 CIDR Classless Inter-Domain Routing 5 4 CIFS Common Internet Filesystem 5 4 CIM Common Information Model 5 4 Computationally Independent Model 5 4 CIO Chief Information Officer 5 4 CIR Committed information rate 5 4 CISC Complex Instruction Set Computer 5 4 CJK Chinese, Japanese, and Korean 5 4 CJKV Chinese, Japanese, Korean, and Vietnamese 5 4 CLI Command Line Interface 5 4 CLR Common Language Runtime 5 4 CM Configuration Management 5 4 Content Management 5 4 CMDB Configuration Management Database 5 4 CMMI Capability Maturity Model Integration 5 4 CMOS Complementary Metal-Oxide Semiconductor 5 4 CMS Content Management System 5 4 CN Canonical Name 5 4 Common Name 5 4 CNC Computer Numerical Control 5 4 CNR Communications and Networking Riser 5 4 COBOL Common Business-Oriented Language 5 4 COM Component Object Model or communication 5 4 CORBA Common Object Request Broker Architecture 5 4 COTS Commercial Off-The-Shelf 5 4 CPAN Comprehensive Perl Archive Network 5 4 CP/M Control Program/Monitor 5 4 CPRI Common Public Radio Interface 5 4 CR Carriage Return 5 4 CRAN Comprehensive R Archive Network 5 4 CRC Cyclic Redundancy Check 5 4 CRLF Carriage Return Line Feeds 5 4 CRS Computer Reservations System 5 4 CRUD Create, Read, Update and Delete 5 4 CS Cable Select 5 4 Computer Science 5 4 CSE Computer Science and Engineering 5 4 CSM Compatibility Support Module 5 4 CSMA/CD Carrier sense multiple access with collision detection 5 4 CSRF Cross-Site Request Forgery 5 4 CTAN Comprehensive TeX Archive Network 5 4 CTCP Client-To-Client Protocol 5 4 CTI Computer Telephony Integration 5 4 CTFE Compile Time Function Execution 5 4 CTL Computational Tree Logic 5 4 CTM Close To Metal 5 4 CTS Clear To Send 5 4 CTSS Compatible Time-Sharing System 5 4 CUA Common User Access 5 4 DAC Digital-To-Analog Converter 5 4 Discretionary Access Control 5 4 DAL Database Abstraction Layer 5 4 DAO Data Access Object 5 4 Data Access Objects 5 4 Disk-At-Once 5 4 DAP Directory Access Protocol 5 4 DARPA Defense Advanced Research Projects Agency 5 4 DAT Digital Audio Tape 5 4 DB Database 5 4 DBA Database Administrator 5 4 DBCS Double Byte Character Set 5 4 DBMS Database Management System 5 4 DCC Direct Client-to-Client 5 4 DCCP Datagram Congestion Control Protocol 5 4 DCCA Debian Common Core Alliance 5 4 DCL Data Control Language 5 4 DCMI Dublin Core Metadata Initiative 5 4 DCOM Distributed Component Object Model 5 4 DD Double Density 5 4 DDE Dynamic Data Exchange 5 4 DDI DNS DHCP & IP Address management 5 4 DDL Data Definition Language 5 4 DDoS Distributed Denial of Service 5 4 DDR Double Data Rate 5 4 DEC Digital Equipment Corporation 5 4 DES Data Encryption Standard 5 4 dev development 5 4 DFA Deterministic Finite Automaton 5 4 DFD Data Flow Diagram 5 4 DGD Dworkin's Game Driver 5 4 DHCP Dynamic Host Configuration Protocol 5 4 DHTML Dynamic Hypertext Markup Language 5 4 DIF Data Integrity Field 5 4 DIMM Dual Inline Memory Module 5 4 DIN Deutsches Institut für Normung 5 4 DIP Dual In-line Package 5 4 DISM Deployment Image and Service Management Tool 5 4 DIVX Digital Video Express 5 4 DKIM Domain Keys Identified Mail 5 4 DL Download 5 4 DLL Dynamic Link Library 5 4 DLNA Digital Living Network Alliance 5 4 DLP Data loss protection 5 4 DMA Direct Memory Access 5 4 DMCA Digital Millennium Copyright Act 5 4 DMI Direct Media Interface 5 4 DML Data Manipulation Language 5 4 Definitive Media Library 5 4 DMR Dennis M. Ritchie 5 4 DMZ Demilitarized Zone 5 4 DN Distinguished Name 5 4 DND Drag-and-Drop 5 4 Do not disturb 6 5 DOA Dead on Arrival 5 4 Dead on arrival. Refers to hardware that is broken on delivery. 6 5 DOCSIS Data Over Cable Service Interface Specification 5 4 DOM Document Object Model 5 4 DoS Denial of Service 5 4 DOS Disk Operating System 5 4 DPC Deferred Procedure Call 5 4 DPI Deep Packet Inspection 5 4 Dots Per Inch 5 4 DPMI DOS Protected Mode Interface 5 4 DPMS Display Power Management Signaling 5 4 DR-DOS Digital Research - Disk Operating System 5 4 DRI Direct Rendering Infrastructure 5 4 DRM Digital Rights Management 5 4 Direct Rendering Manager 5 4 DSA Digital Signature Algorithm 5 4 DSDL Document Schema Definition Languages 5 4 DSDM Dynamic Systems Development Method 5 4 DSL Digital Subscriber Line 5 4 Domain-Specific Language 5 4 DSLAM Digital Subscriber Line Access Multiplexer 5 4 DSN Database Source Name 5 4 Data Set Name 5 4 DSP Digital Signal Processor 5 4 DSSSL Document Style Semantics and Specification Language 5 4 DTD Document Type Definition 5 4 DTE Data Terminal Equipment or data transfer rate 5 4 DTR Data Terminal Ready or Data transfer rate 5 4 DVD Digital Versatile Disc 5 4 DVD-R DVD-Recordable 5 4 DVD-ROM DVD-Read Only Memory 5 4 DVD-RW DVD-Rewritable 5 4 DVI Digital Visual Interface 5 4 DVR Digital Video Recorder 5 4 DW Data Warehouse 5 4 EAI Enterprise Application Integration 5 4 EAP Extensible Authentication Protocol 5 4 EAS Exchange ActiveSync 5 4 EBCDIC Extended Binary Coded Decimal Interchange Code 5 4 EBML Extensible Binary Meta Language 5 4 ECMA European Computer Manufacturers Association 5 4 ECN Explicit Congestion Notification 5 4 ECOS Embedded Configurable Operating System 5 4 ECRS Expense and Cost Recovery System 5 4 EDA Electronic Design Automation 5 4 EDI Electronic Data Interchange 5 4 EDO Extended Data Out 5 4 EDSAC Electronic Delay Storage Automatic Calculator 5 4 EDVAC Electronic Discrete Variable Automatic Computer 5 4 EEPROM Electronically Erasable Programmable Read-Only Memory 5 4 EFF Electronic Frontier Foundation 5 4 EFI Extensible Firmware Interface 5 4 EFM Eight-to-Fourteen Modulation 5 4 Ethernet in the First Mile 5 4 EFS Encrypting File System 5 4 EGA Enhanced Graphics Array 5 4 E-mail Electronic mail 5 4 EGP Exterior Gateway Protocol 5 4 eID electronic ID card 5 4 EIDE Enhanced IDE 5 4 EIGRP Enhanced Interior Gateway Routing Protocol 5 4 EISA Extended Industry Standard Architecture 5 4 ELF Extremely Low Frequency 5 4 Executable and Linkable Format 5 4 ELM ELectronic Mail 5 4 EMACS Editor MACroS 5 4 EMS Expanded Memory Specification 5 4 ENIAC Electronic Numerical Integrator And Computer 5 4 EOD End of Day 5 4 EOF End of File 5 6 4 5 EOL End of Line 5 4 End of Life (device or hardware that is at the end of its product life cycle) OR End of Line. 6 5 EOM End Of Message 5 4 End of Message 6 5 EOS End OF Support 5 4 EPIC Explicitly Parallel Instruction Computing 5 4 EPROM Erasable Programmable Read-Only Memory 5 4 ERD Entity-Relationship Diagram 5 4 ERM Entity-Relationship Model 5 4 eSATA external SATA 5 4 ESB Enterprise service bus 5 4 ESCON Enterprise Systems Connection 5 4 ESD Electrostatic Discharge 5 4 ESR Eric Steven Raymond 5 4 ETL Extract, Transform, Load 5 4 ETW Event Tracing for Windows 5 4 EUC Extended Unix Code 5 4 EULA End User License Agreement 5 4 EWMH Extended Window Manager Hints 5 4 EXT EXTended file system 5 4 FAP FORTRAN Assembly Program 5 4 FASM Flat ASseMbler 5 4 FAT File Allocation Table 5 4 FAQ Frequently Asked Questions 5 4 Frequently Asked Question(s) 6 5 FBDIMM Fully Buffered Dual Inline Memory Module 5 4 FC-AL Fibre Channel Arbitrated Loop 5 4 FCB File Control Block 5 4 FCS Frame Check Sequence 5 4 FDC Floppy Disk Controller 5 4 FDS Fedora Directory Server 5 4 FDD Frequency-Division Duplexing 5 4 Floppy Disk Drive 5 4 FDDI Fiber Distributed Data Interface 5 4 FDM Frequency-Division Multiplexing 5 4 FDMA Frequency-Division Multiple Access 5 4 FEC Forward Error Correction 5 4 FEMB Front-End Motherboard 5 4 FET Field Effect Transistor 5 4 FHS Filesystem Hierarchy Standard 5 4 FICON FIber CONnectivity 5 4 FIPS Federal Information Processing Standards 5 4 FLAC Free Lossless Audio Codec 5 4 FLOPS FLoating-Point Operations Per Second 5 4 FLOSS Free/Libre/Open Source Software 5 4 FMC Fixed Mobile Convergence "Mobile UC or Unified Communications over Wireless" 5 4 FMO Future Mode of Operation 5 4 FOLDOC Free On-line Dictionary of Computing 5 4 FOSDEM Free and Open source Software Developers' European Meeting 5 4 FOSI Formatted Output Specification Instance 5 4 FOSS Free and Open Source Software 5 4 FP Function Programming 5 4 FPGA Field Programmable Gate Array 5 4 FPU Floating Point Unit 5 4 FRU Field Replaceable Unit 5 4 FS File System 5 4 FSB Front Side Bus 5 4 fsck File System Check 5 4 FSF Free Software Foundation 5 4 FSM Finite State Machine 5 4 FTTA Fiber To The Antenna 5 4 FTTC Fiber To The Curb 5 4 FTTH Fiber To The Home 5 4 FTTP Fiber To The Premises 5 4 FQDN Fully Qualified Domain Name 5 4 FUD Fear Uncertainty Doubt 5 4 Fear, Uncertainty and Doubt (the purposeful spread of misinformation) 6 5 FWS Folding White Space 5 4 FXP File eXchange Protocol 5 4 FYI For Your Information 5 4 For your information 6 5 FVEK Full Volume Encryption Key 5 4 G11N Globalization 5 4 Gas GNU Assembler 5 4 Gb Gigabit 5 4 GB Gigabyte 5 4 GCC GNU Compiler Collection 5 4 GCJ GNU Compiler for Java 5 4 GCR Group Coded Recording 5 4 GDB GNU Debugger 5 4 GDI Graphics Device Interface 5 4 GFDL GNU Free Documentation License 5 4 GIF Graphics Interchange Format 5 4 GIGO Garbage In, Garbage Out 5 4 GIMP GNU Image Manipulation Program 5 4 GIMPS Great Internet Mersenne Prime Search 5 4 GIS Geographic Information System 5 4 GLUT OpenGL Utility Toolkit 5 4 GML Geography Markup Language 5 4 GNOME GNU Network Object Model Environment 5 4 GNU GNU's Not Unix 5 4 GOMS Goals, Operators, Methods, and Selection rules 5 4 GPASM GNU PIC ASseMbler 5 4 GPFS General Parallel File System 5 4 GPG GNU Privacy Guard 5 4 GPGPU General-Purpose Computing on Graphics Processing Units 5 4 GPIB General-Purpose Instrumentation Bus 5 4 GPL General Public License 5 4 General-Purpose Language 5 4 GPRS General Packet Radio Service 5 4 GPT GUID Partition Table 5 4 GPU Graphics Processing Unit 5 4 GRUB Grand Unified Boot-Loader 5 4 GERAN GSM EDGE Radio Access Network 5 4 GSM Global System for Mobile Communications 5 4 GTK+ GIMP Toolkit 5 4 GUI Graphical User Interface 5 4 GUID Globally Unique IDentifier 5 4 GWT Google Web Toolkit 5 4 GYR IT Networking 5 4 HA High Availability 5 4 HAL Hardware Abstraction Layer 5 4 HASP Houston Automatic Spooling Priority 5 4 HBA Host Bus Adapter 5 4 HCI Human Computer Interaction 5 4 HCL Hardware Compatibility List 5 4 HD DVD High Definition DVD 5 4 HDL Hardware Description Language 5 4 HDMI High-Definition Multimedia Interface 5 4 HF High Frequency 5 4 Have fun 6 5 HFS Hierarchical File System 5 4 HHD Hybrid Hard Drive 5 4 HIG Human Interface Guidelines 5 4 HIRD Hurd of Interfaces Representing Depth 5 4 HLASM High Level ASseMbler 5 4 HLS HTTP Live Streaming 5 4 HMA High Memory Area 5 4 HP Hewlett-Packard 5 4 HPC High-Performance Computing 5 4 HPFS High Performance File System 5 4 HTC High-Throughput Computing 5 4 HSM Hierarchical Storage Management 5 4 HT Hyper Threading 5 4 HTM Hierarchical Temporal Memory 5 4 HTTPd Hypertext Transport Protocol Daemon 5 4 HTTPS HTTP Secure 5 4 HTX HyperTransport eXpansion 5 4 HURD Hird of Unix-Replacing Daemons 5 4 HVD Holographic Versatile Disc 5 4 Hz Hertz 5 4 I²C Inter-Integrated Circuit 5 4 I²S Integrated Interchip Sound 5 4 I18N Internationalization 5 4 IANA Internet Assigned Numbers Authority 5 4 iBCS Intel Binary Compatibility Standard 5 4 IBM International Business Machines 5 4 IC Integrated Circuit 5 4 ICANN Internet Corporation for Assigned Names and Numbers 5 4 ICH I/O Controller Hub 5 4 ICMP Internet Control Message Protocol 5 4 ICP Internet Cache Protocol 5 4 ICS Internet Connection Sharing 5 4 IDE Integrated Development Environment 5 4 Integrated Drive Electronics 5 4 IDF Intermediate Distribution Frame 5 4 Intermediate Data Format 5 4 IDL Interactive Data Language 5 4 Interface Definition Language 5 4 IDS Intrusion Detection System 5 4 IE Internet Explorer 5 4 IEC International Electrotechnical Commission 5 4 IETF Internet Engineering Task Force 5 4 IFL Integrated Facility for Linux 5 4 IGMP Internet Group Management Protocol 5 4 IGRP Interior Gateway Routing Protocol 5 4 IHV Independent Hardware Vendor 5 4 IIOP Internet Inter-Orb Protocol 5 4 IIS Internet Information Services 5 4 IKE Internet Key Exchange 5 4 IL Intermediate Language 5 4 IM Instant Messaging 5 4 IMAP Internet Message Access Protocol 5 4 IME Input Method Editor 5 4 INFOSEC Information Systems Security 5 4 I/O Input/output 5 4 IoT Internet of Things 5 4 IPAM IP Address Management 5 4 IPC Inter-Process Communication 5 4 IPL Initial Program Load 5 4 IPMI Intelligent Platform Management Interface 5 4 IPS In-Plane Switching 5 4 Instructions Per Second 5 4 Intrusion Prevention System 5 4 IPsec Internet Protocol security 5 4 IPv4 Internet Protocol version 4 5 4 IPv6 Internet Protocol version 6 5 4 IPX Internetwork Packet Exchange 5 4 IrDA Infrared Data Association 5 4 IRI Internationalized Resource Identifier 5 4 I/F Interface 5 4 IRQ Interrupt Request 5 4 IS Information Systems 5 4 IS-IS Intermediate System to Intermediate System 5 4 ISA Industry Standard Architecture 5 4 Instruction Set Architecture 5 4 ISAM Indexed Sequential Access Method 5 4 ISATAP Intra-Site Automatic Tunnel Addressing Protocol 5 4 ISC Internet Storm Center 5 4 iSCSI Internet Small Computer System Interface 5 4 ISDN Integrated Services Digital Network 5 4 iSNS Internet Storage Name Service 5 4 ISPF Interactive System Productivity Facility 5 4 ISR Interrupt Service Routine 5 4 ISV Independent Software Vendor 5 4 ITIL Information Technology Infrastructure Library 5 4 ITL Interval Temporal Logic 5 4 ITU International Telecommunication Union 5 4 IVRS Interactive Voice Response System 5 4 IVCR Interactive Virtual Classroom 5 4 J2EE Java 2 Enterprise Edition 5 4 J2ME Java 2 Micro Edition 5 4 J2SE Java 2 Standard Edition 5 4 JAXB Java Architecture for XML Binding 5 4 JAX-RPC Java XML for Remote Procedure Calls 5 4 JAXP Java API for XML Processing 5 4 JBOD Just a Bunch of Disks 5 4 JCE Java Cryptography Extension 5 4 JCL Job Control Language 5 4 JCP Java Community Process 5 4 JDBC Java Database Connectivity 5 4 JDK Java Development Kit 5 4 JEE Java Enterprise Edition 5 4 JES Job Entry Subsystem 5 4 JDS Java Desktop System 5 4 JFC Java Foundation Classes 5 4 JFET Junction Field-Effect Transistor 5 4 JFS IBM Journaling File System 5 4 JINI Jini Is Not Initials 5 4 JIT Just-In-Time 5 4 JME Java Micro Edition 5 4 JMX Java Management Extensions 5 4 JMS Java Message Service 5 4 JNDI Java Naming and Directory Interface 5 4 JNI Java Native Interface 5 4 JNZ Jump non-zero 5 4 JPEG Joint Photographic Experts Group 5 4 JRE Java Runtime Environment 5 4 JS JavaScript 5 4 JSE Java Standard Edition 5 4 JSP Jackson Structured Programming 5 4 JavaServer Pages 5 4 JTAG Joint Test Action Group 5 4 JUG Java Users Group 5 4 JVM Java Virtual Machine 5 4 K&R Kernighan and Ritchie 5 4 KB Keyboard 5 4 Kilobyte 5 4 Knowledge Base 5 4 Kb Kilobit 5 4 KiB Kibibyte 5 4 KDE K Desktop Environment 5 4 kHz Kilohertz 5 4 KM Knowledge Machine 5 4 KRL Knowledge Representation Language 5 4 L10N Localization 5 4 L2TP Layer two Tunneling Protocol 5 4 LACP Link Aggregation Control Protocol 5 4 LAMP Linux Apache MySQL Perl 5 4 Linux Apache MySQL PHP 5 4 Linux Apache MySQL Python 5 4 LAN Local Area Network 5 4 LB Load Balancer 5 4 LCD Liquid Crystal Display 5 4 LCR Least Cost Routing 5 4 LCOS Liquid Crystal On Silicon 5 4 LDAP Lightweight Directory Access Protocol 5 4 LED Light-Emitting Diode 5 4 LF Line Feed 5 4 Low Frequency 5 4 LFS Linux From Scratch 5 4 LGPL Lesser General Public License 5 4 LIB LIBrary 5 4 LIF Low Insertion Force 5 4 LIFO Last In First Out 5 4 LILO Linux Loader 5 4 LISP LISt Processing 5 4 LKML Linux Kernel Mailing List 5 4 LM Lan Manager 5 4 LOC Lines of Code 5 4 LPC Lars Pensjö C 5 4 LPI Linux Professional Institute 5 4 LPT Line Print Terminal 5 4 LRU Least Recently Used 5 4 LSB Least Significant Bit 5 4 Linux Standard Base 5 4 LSI Large-Scale Integration 5 4 LTE Long Term Evolution 5 4 LTL Linear Temporal Logic 5 4 LTR Left-to-Right 5 4 LUG Linux User Group 5 4 LUN Logical Unit Number 5 4 LV Logical Volume 5 4 LVD Low Voltage Differential 5 4 LVM Logical Volume Management 5 4 LZW Lempel-Ziv-Welch 5 4 LGA Land Grid Array 5 4 MAN Metropolitan Area Network 5 4 MANET Mobile Ad-Hoc Network 5 4 MAPI Messaging Application Programming Interface 5 4 Mb Megabit 5 4 MB Megabyte 5 4 MBCS Multi Byte Character Set 5 4 MCA Micro Channel Architecture 5 4 Microsoft Certified Architect 5 4 MCAD Microsoft Certified Application Developer 5 4 MCAS Microsoft Certified Application Specialist 5 4 MCDBA Microsoft Certified DataBase Administrator 5 4 MCDST Microsoft Certified Desktop Support Technician 5 4 MCITP Microsoft Certified Information Technology Professional 5 4 MCM Microsoft Certified Master 5 4 MCP Microsoft Certified Professional 5 4 MCPC Multiple Channels Per Carrier 5 4 MCPD Microsoft Certified Professional Developer 5 4 MCSA Microsoft Certified Systems Administrator 5 4 MCSD Microsoft Certified Solution Developer 5 4 MCSE Microsoft Certified Systems Engineer 5 4 MCT Microsoft Certified Trainer 5 4 MCTS Microsoft Certified Technology Specialist 5 4 MDA Mail Delivery Agent 5 4 Model-Driven Architecture 5 4 Monochrome Display Adapter 5 4 MDD/MDSD Model-Driven (Software) Development 5 4 MDF Main Distribution Frame 5 4 MDI Multiple Document Interface 5 4 ME Microsoft Edge 5 4 [Windows] Millennium Edition 5 4 MF Medium Frequency 5 4 MFC Microsoft Foundation Classes 5 4 MFM Modified Frequency Modulation 5 4 MGCP Media Gateway Control Protocol 5 4 MHz Megahertz 5 4 MIB Management Information Base 5 4 MICR Magnetic Ink Character Recognition 5 4 MIDI Musical Instrument Digital Interface 5 4 MIMD Multiple Instruction, Multiple Data 5 4 MIMO Multiple-Input Multiple-Output 5 4 MINIX MIni-uNIX 5 4 MIPS Million Instructions Per Second 5 4 Microprocessor without Interlocked Pipeline Stages 5 4 MIS Management Information Systems 5 4 MISD Multiple Instruction, Single Data 5 4 MIT Massachusetts Institute of Technology 5 4 MIME Multipurpose Internet Mail Extensions 5 4 MMDS Multichannel Multipoint Distribution Service 5 4 Mortality Medical Data System 5 4 MMI Man Machine Interface. 5 4 MMIO Memory-Mapped I/O 5 4 MMORPG Massively Multiplayer Online Role-Playing Game 5 4 MMO + RPG (Massive Multi-player Online Role-Playing Game). The most frequent genre of MMO. 6 5 MMF Multi-Mode (optical) Fiber 5 4 MMU Memory Management Unit 5 4 MMX Multi-Media Extensions 5 4 MNG Multiple-image Network Graphics 5 4 MoBo Motherboard 5 4 MOM Message-Oriented Middleware 5 4 MOO MUD Object Oriented 5 4 MOP Meta-Object Protocol 5 4 MOS Microsoft Office Specialist 5 4 MOSFET Metal-Oxide Semiconductor Field Effect Transistor 5 4 MOTD Message Of The Day 5 4 Message of the day 6 5 MOUS Microsoft Office User Specialist 5 4 MOV Apple QuickTime Multimedia File 5 4 MPAA Motion Picture Association of America 5 4 MPEG Motion Pictures Experts Group 5 4 MPL Mozilla Public License 5 4 MPLS Multiprotocol Label Switching 5 4 MPU Microprocessor Unit 5 4 MS Memory Stick 5 4 Microsoft 5 4 MSB Most Significant Bit 5 4 MSN Microsoft Network 5 4 MS-DOS Microsoft DOS 5 4 MT Machine Translation 5 4 MTA Mail Transfer Agent 5 4 Microsoft Technology Associate 5 4 MTBF Mean Time Between Failures 5 4 MSDN Microsoft Developer Network 5 4 MSI Medium-Scale Integration 5 4 Message Signaled Interrupt 5 4 Microsoft Installer 5 4 MUA Mail User Agent 5 4 MUD Multi-User Dungeon 5 6 4 5 MVC Model-View-Controller 5 4 MVP Most Valuable Professional 5 4 MVS Multiple Virtual Storage 5 4 MX Mail exchange 5 4 MXF Material Exchange Format 5 4 NACK Negative ACKnowledgement 5 4 NAK Negative AcKnowledge Character 5 4 NaN Not a Number 5 4 NASM Netwide ASseMbler 5 4 NAT Network Address Translation 5 4 NCP NetWare Core Protocol 5 4 NCQ Native Command Queuing 5 4 NCSA National Center for Supercomputing Applications 5 4 NDIS Network Driver Interface Specification 5 4 NDPS Novell Distributed Print Services 5 4 NDS Novell Directory Services 5 4 NEP Network Equipment Provider 5 4 NetBIOS Network Basic Input/Output System 5 4 NetBT NetBIOS over TCP/IP 5 4 NEXT Near-End CrossTalk 5 4 NFA Nondeterministic Finite Automaton 5 4 NFC Near field communication 5 4 NGSCB Next-Generation Secure Computing Base 5 4 NI National Instruments 5 4 NIC Network Interface Controller 5 4 NIO New I/O 5 4 NIST National Institute of Standards and Technology 5 4 NLP Natural Language Processing 5 4 NLS Native Language Support 5 4 NMI Non-Maskable Interrupt 5 4 NNTP Network News Transfer Protocol 5 4 NOP No OPeration 5 4 NOS Network Operating System 5 4 NP Nondeterministic Polynomial time 5 4 No problem 6 5 NPL Netscape Public License 5 4 NPTL Native POSIX Thread Library 5 4 NPU Network Processing Unit 5 4 NS Netscape 5 4 Nice shot. Used in online gaming. 6 5 NSI Network Service Interface 5 4 NSPR Netscape Portable Runtime 5 4 NSS Novell Storage Service 5 4 Network Security Services 5 4 Name Service Switch 5 4 NT New Technology 5 4 NTFS NT Filesystem 5 4 NTLM NT Lan Manager 5 4 NUMA Non-Uniform Memory Access 5 4 NURBS Non-Uniform Rational B-Spline 5 4 NVR Network Video Recorder 5 4 NVRAM Non-Volatile Random Access Memory 5 4 OAT Operational Acceptance Testing 5 4 OBSAI Open Base Station Architecture Initiative 5 4 ODBC Open Database Connectivity 5 4 OES Open Enterprise Server 5 4 OFDM Orthogonal Frequency Division Multiplexing 5 4 OFTC Open and Free Technology Community 5 4 OID Object Identifier 5 4 OLAP Online Analytical Processing 5 4 OLE Object Linking and Embedding 5 4 OLED Organic Light Emitting Diode 5 4 OLPC One Laptop per Child 5 4 OLTP Online Transaction Processing 5 4 OMF Object Module Format 5 4 OMG Object Management Group 5 4 Oh my god 6 5 OMR Optical Mark Reader 5 4 OO Object-Oriented 5 4 OpenOffice 5 4 OOE Out-of-Order Execution 5 4 OOM Out Of Memory 5 4 OOo OpenOffice.org 5 4 OoOE Out-of-Order Execution 5 4 OOP Object-Oriented Programming 5 4 OOTB Out of the box 5 4 OPML Outline Processor Markup Language 5 4 ORB Object Request Broker 5 4 ORM Object-Relational Mapping 5 4 OSCON O'Reilly Open Source CONvention 5 4 OSDN Open Source Development Network 5 4 OSI Open Source Initiative 5 4 Open Systems Interconnection 5 4 OSPF Open Shortest Path First 5 4 OSS Open Sound System 5 4 Open-Source Software 5 4 Operations Support System 5 4 OSTG Open Source Technology Group 5 4 OUI Organisationally Unique Identifier 5 4 P2P Peer-To-Peer 5 4 Peer to peer, or pay to play 6 5 PaaS Platform as a Service 5 4 PAN Personal Area Network 5 4 PAP Password Authentication Protocol 5 4 PARC Palo Alto Research Center 5 4 PATA Parallel ATA 5 4 PBS Portable Batch System 5 4 PC DOS Personal Computer Disc Operating System 5 4 PCL Printer Command Language 5 4 PCMCIA Personal Computer Memory Card International Association 5 4 PCRE Perl Compatible Regular Expressions 5 4 PDA Personal Digital Assistant 5 4 PDF Portable Document Format 5 4 PDH Plesiochronous Digital Hierarchy 5 4 PDP Programmed Data Processor 5 4 PE Physical Extents 5 4 PERL Practical Extraction and Reporting Language 5 4 PFA Please Find Attachment 5 4 PG Peripheral Gateway 5 4 PGO Profile-Guided Optimization 5 4 PGP Pretty Good Privacy 5 4 PHP Hypertext Preprocessor 5 4 PIC Peripheral Interface Controller 5 4 Programmable Interrupt Controller 5 4 PID Proportional-Integral-Derivative 5 4 Process ID 5 4 PIM Personal Information Manager 5 4 Platform Independent Model 5 4 PINE Program for Internet News and Email 5 4 PIO Programmed Input/Output 5 4 PKCS Public Key Cryptography Standards 5 4 PKI Public Key Infrastructure 5 4 PLD Programmable Logic Device 5 4 PL/I Programming Language One 5 4 PL/M Programming Language for Microcomputers 5 4 PL/P Programming Language for Prime 5 4 PLT Power Line Telecommunications 5 4 PMM POST Memory Manager 5 4 PNG Portable Network Graphics 5 4 PnP Plug-and-Play 5 4 PNRP Peer Name Resolution Protocol 5 4 POID Persistent Object Identifier 5 4 POJO Plain Old Java Object 5 4 POP Point of Presence 5 4 POP3 Post Office Protocol v3 5 4 POSIX Portable Operating System Interface, formerly IEEE-IX 5 4 POST Power-On Self Test 5 4 PPC PowerPC 5 4 PPPoA PPP over ATM 5 4 PPPoE PPP over Ethernet 5 4 PPTP Point-to-Point Tunneling Protocol 5 4 PR Pull Request 5 4 PS PostScript 5 4 PS/2 Personal System/2 5 4 PSA Professional Services Automation 5 4 PSM Platform Specific Model 5 4 PSU Power Supply Unit 5 4 PSVI Post-Schema-Validation Infoset 5 4 PTS-DOS PhysTechSoft - Disk Operating System 5 4 PVG Physical Volume Group 5 4 PVR Personal Video Recorder 5 4 PXE Preboot Execution Environment 5 4 PXI PCI eXtensions for Instrumentation 5 4 QDR Quad Data Rate 5 4 QA Quality Assurance 5 4 QFP Quad Flat Package 5 4 QoS Quality of Service 5 4 QOTD Quote of the Day 5 4 Qt Quasar Toolkit 5 4 QTAM Queued Teleprocessing Access Method 5 4 QSOP Quarter Small Outline Package 5 4 qWave Quality Windows Audio/Video Experience 5 4 RACF Resource Access Control Facility 5 4 RAD Rapid Application Development 5 4 RADIUS Remote Authentication Dial In User Service 5 4 RAID Redundant Array of Independent Disks 5 4 RAII Resource Acquisition Is Initialization 5 4 RAIT Redundant Array of Inexpensive Tapes 5 4 RARP Reverse Address Resolution Protocol 5 4 RCS Revision Control System 5 4 RD Remote Desktop 5 4 rd remove directory 5 4 RDBMS Relational Database Management System 5 4 RDC Remote Desktop Connection 5 4 RDM Relational Data Model 5 4 RDOS Real-time Disk Operating System 5 4 RDP Remote Desktop Protocol 5 4 RDS Remote Data Services 5 4 REFAL Recursive Functions Algorithmic Language 5 4 REST Representational State Transfer 5 4 regex Regular Expression 5 4 regexp Regular Expression 5 4 RFID Radio Frequency Identification 5 4 RGB Red, Green, Blue 5 4 RGBA Red, Green, Blue, Alpha 5 4 RHL Red Hat Linux 5 4 RHEL Red Hat Enterprise Linux 5 4 RIA Rich Internet Application 5 4 RIAA Recording Industry Association of America 5 4 RIP Raster Image Processor 5 4 Routing Information Protocol 5 4 RIR Regional Internet registry 5 4 RISC Reduced Instruction Set Computer 5 4 RISC OS Reduced Instruction Set Computer Operating System 5 4 RJE Remote Job Entry 5 4 RLE Run-Length Encoding 5 4 RLL Run-Length Limited 5 4 rmdir remove directory 5 4 RMI Remote Method Invocation 5 4 RMS Richard Matthew Stallman 5 4 Ride me sideways 6 5 ROM Read Only Memory 5 4 ROMB Read-Out Motherboard 5 4 ROM-DOS Read Only Memory - Disk Operating System 5 4 RPC Remote Procedure Call 5 4 RPG Report Program Generator 5 4 RRAS Routing and Remote Access Service 5 4 RSA Rivest Shamir Adleman 5 4 RSI Repetitive Strain Injury 5 4 RTAI Real-Time Application Interface 5 4 RTC Real-Time Clock 5 4 RTE Real-Time Enterprise 5 4 RTEMS Real-Time Executive for Multiprocessor Systems 5 4 RTL Right-to-Left 5 4 RTOS Real-Time Operating System 5 4 RTS Ready To Send 5 4 RTTI Run-time Type Information 5 4 RWD Responsive Web Design 5 4 SaaS Software as a Service 5 4 SAM Security Account Manager 5 4 SAN Storage Area Network 5 4 SAX Simple API for XML 5 4 SBOD Spinning Beachball of Death 5 4 SBP-2 Serial Bus Protocol 2 5 4 sbin superuser binary 5 4 SBU Standard Build Unit 5 4 SCID Source Code in Database 5 4 SCPC Single Channel Per Carrier 5 4 SCPI Standard Commands for Programmable Instrumentation 5 4 SCSA Secure Content Storage Association 5 4 SCSI Small Computer System Interface 5 4 SCTP Stream Control Transmission Protocol 5 4 SD Secure Digital 5 4 SDDL Security Descriptor Definition Language 5 4 SDH Synchronous Digital Hierarchy 5 4 SDI Single Document Interface 5 4 SDIO Secure Digital Input Output 5 4 SDL Simple DirectMedia Layer 5 4 SDN Service Delivery Network 5 4 SDP Session Description Protocol 5 4 SDR Software-Defined Radio 5 4 SDRAM Synchronous Dynamic Random Access Memory 5 4 SDSL Symmetric DSL 5 4 SE Single Ended 5 4 SEI Software Engineering Institute 5 4 SEO Search Engine Optimization 5 4 SFTP Secure FTP 5 4 Simple File Transfer Protocol 5 4 SSH File Transfer Protocol 5 4 SGI Silicon Graphics, Incorporated 5 4 SGML Standard Generalized Markup Language 5 4 SHA Secure Hash Algorithm 5 4 SHDSL Single-pair High-speed Digital Subscriber Line 5 4 SIGCAT Special Interest Group on CD-ROM Applications and Technology 5 4 SIGGRAPH Special Interest Group on Graphics 5 4 SIMD Single Instruction, Multiple Data 5 4 SIMM Single Inline Memory Module 5 4 SIP Session Initiation Protocol 5 4 Supplementary Ideographic Plane 5 4 SISD Single Instruction, Single Data 5 4 SISO Single-Input and Single-Output 5 4 SLED SUSE Linux Enterprise Desktop 5 4 SLES SUSE Linux Enterprise Server 5 4 SLI Scalable Link Interface 5 4 SLIP Serial Line Internet Protocol 5 4 SLM Service Level Management 5 4 SLOC Source Lines of Code 5 4 SME Subject Matter Expert 5 4 SMF Single-Mode (optical) Fiber 5 4 SPM Software project management 5 4 SPMD Single Program, Multiple Data 5 4 SMA SubMiniature version A 5 4 SMB Server Message Block 5 4 SMBIOS System Management BIOS 5 4 SMIL Synchronized Multimedia Integration Language 5 4 S/MIME Secure/Multipurpose Internet Mail Extensions 5 4 SMP Supplementary Multilingual Plane 5 4 Symmetric Multi-Processing 5 4 SMPS Switch Mode Power Supply 5 4 SMS Short Message Service 5 4 System Management Server 5 4 SMT Simultaneous Multithreading 5 4 SNA Systems Network Architecture 5 4 SNMP Simple Network Management Protocol 5 4 SNTP Simple Network Time Protocol 5 4 SOA Service-Oriented Architecture 5 4 SOPA Stop Online Piracy Act 5 4 SoC System-on-a-Chip 5 4 SO-DIMM Small Outline DIMM 5 4 SOE Standard Operating Environment 5 4 SOI Silicon On Insulator 5 4 SP Service Pack 5 4 SPA Single Page Application 5 4 SPF Sender Policy Framework 5 4 SPI Serial Peripheral Interface 5 4 Stateful Packet Inspection 5 4 SPARC Scalable Processor Architecture 5 4 SRAM Static Random Access Memory 5 4 SSA Static Single Assignment 5 4 SSDP Simple Service Discovery Protocol 5 4 SSH Secure Shell 5 4 SSI Server Side Includes 5 4 Single-System Image 5 4 Small-Scale Integration 5 4 SSID Service Set Identifier 5 4 SSP Supplementary Special-purpose Plane 5 4 SSSE Supplementary Streaming SIMD Extensions 5 4 SSSP Single Source Shortest Path 5 4 SSTP Secure Socket Tunneling Protocol 5 4 su superuser 5 4 SUS Single UNIX Specification 5 4 SUSE Software und System-Entwicklung 5 4 SVG Scalable Vector Graphics 5 4 SVGA Super Video Graphics Array 5 4 SVD Structured VLSI Design 5 4 SWF Shock Wave Flash 5 4 SWT Standard Widget Toolkit 5 4 Sysop System operator 5 4 TAO Track-At-Once 5 4 TAPI Telephony Application Programming Interface 5 4 TASM Turbo ASseMbler 5 4 Tcl Tool Command Language 5 4 TCP/IP Transmission Control Protocol/Internet Protocol 5 4 TCU Telecommunication Control Unit 5 4 TFT Thin-Film Transistor 5 4 TFTP Trivial File Transfer Protocol 5 4 TI Texas Instruments 5 4 TLA Three-Letter Acronym 5 4 TLD Top-Level Domain 5 4 TLS Thread-Local Storage 5 4 Transport Layer Security 5 4 TLV Type-length-value 5 4 tmp temporary 5 4 TNC Terminal Node Controller 5 4 Threaded Neill-Concelman connector 5 4 TPF Transaction Processing Facility 5 4 TPM Trusted Platform Module 5 4 TROFF Trace Off 5 4 TRON Trace On 5 4 The Real-time Operating system Nucleus 5 4 TRSDOS Tandy Radio Shack - Disk Operating System 5 4 TSP Traveling Salesman Problem 5 4 TTA True Tap Audio 5 4 TTF TrueType Font 5 4 TTL Transistor-Transistor Logic 5 4 Time To Live 5 4 TTS Text-to-Speech 5 4 TTY Teletype 5 4 TUCOWS The Ultimate Collection of Winsock Software 5 4 TUG TeX Users Group 5 4 TWAIN Technology Without An Interesting Name 5 4 UAAG User Agent Accessibility Guidelines 5 4 UAC User Account Control 5 4 UART Universal Asynchronous Receiver/Transmitter 5 4 UAT User Acceptance Testing 5 4 UCS Universal Character Set 5 4 UDDI Universal Description, Discovery, and Integration 5 4 UDMA Ultra DMA 5 4 UEFI Unified Extensible Firmware Interface 5 4 UHF Ultra High Frequency 5 4 UI User Interface 5 4 UL Upload 5 4 ULA Uncommitted Logic Array 5 4 UMA Upper Memory Area 5 4 UMB Upper Memory Block 5 4 UML Unified Modeling Language 5 4 User-Mode Linux 5 4 UMPC Ultra-Mobile Personal Computer 5 4 UMTS Universal Mobile Telecommunications System 5 4 UNC Universal Naming Convention 5 4 UNIVAC Universal Automatic Computer (By MKS) 5 4 UPS Uninterruptible Power Supply 5 4 URI Uniform Resource Identifier 5 4 URN Uniform Resource Name 5 4 usr user 5 4 USR U.S. Robotics 5 4 UTC Coordinated Universal Time 5 4 UTF Unicode Transformation Format 5 4 UTP Unshielded Twisted Pair 5 4 UTRAN Universal Terrestrial Radio Access Network 5 4 UUCP Unix to Unix Copy 5 4 UUID Universally Unique Identifier 5 4 UUN Universal User Name 5 4 UVC Universal Virtual Computer 5 4 UWP Universal Windows Platform 5 4 UX User Experience 5 4 VAX Virtual Address eXtension 5 4 VCPI Virtual Control Program Interface 5 4 VR Virtual Reality 5 4 VRML Virtual Reality Modeling Language 5 4 VB Visual Basic 5 4 VBA Visual Basic for Applications 5 4 VBS Visual Basic Script 5 4 VDM Virtual DOS machine 5 4 VDSL Very High Bitrate Digital Subscriber Line 5 4 VESA Video Electronics Standards Association 5 4 VFAT Virtual FAT 5 4 VHD Virtual Hard Disk 5 4 VFS Virtual File System 5 4 VG Volume Group 5 4 VGA Video Graphics Array 5 4 VHF Very High Frequency 5 4 VLAN Virtual Local Area Network 5 4 VLSM Variable Length Subnet Mask 5 4 VLB Vesa Local Bus 5 4 VLF Very Low Frequency 5 4 VLIW Very Long Instruction Word 5 4 VLSI Very-Large-Scale Integration 5 4 VM Virtual Machine 5 4 Virtual Memory 5 4 VMM Virtual Machine Monitor 5 4 VOD Video On Demand 5 4 VoIP Voice over Internet Protocol 5 4 VPU Visual Processing Unit 5 4 VSAM Virtual Storage Access Method 5 4 VSAT Very Small Aperture Terminal 5 4 VT Video Terminal? 5 4 VTAM Virtual Telecommunications Access Method 5 4 VRAM Video Random Access Memory 5 4 W3C World Wide Web Consortium 5 4 WWDC Apple World Wide Developer Conference 5 4 WAFS Wide Area File Services 5 4 WAI Web Accessibility Initiative 5 4 WAIS Wide Area Information Server 5 4 WAN Wide Area Network 5 4 WAP Wireless Access Point 5 4 Wireless Application Protocol 5 4 WASM Watcom ASseMbler 5 4 WBEM Web-Based Enterprise Management 5 4 WCAG Web Content Accessibility Guidelines 5 4 WCF Windows Communication Foundation 5 4 WDM Wavelength-Division Multiplexing 5 4 WebDAV WWW Distributed Authoring and Versioning 5 4 WEP Wired Equivalent Privacy 5 4 WFI Wait For Interrupt 5 4 WiMAX Worldwide Interoperability for Microwave Access 5 4 WinFS Windows Future Storage 5 4 WinRT Windows RunTime 5 4 WINS Windows Internet Name Service 5 4 WLAN Wireless Local Area Network 5 4 WMA Windows Media Audio 5 4 WMI Windows Management Instrumentation 5 4 WMV Windows Media Video 5 4 WNS Windows Push Notification Service 5 4 WOL Wake-on-LAN 5 4 WOR Wake-on-Ring 5 4 WORA Write once, run anywhere 5 4 WORE Write once, run everywhere 5 4 WPA Wi-Fi Protected Access 5 4 WPAD Web Proxy Autodiscovery Protocol 5 4 WPAN Wireless Personal Area Network 5 4 WPF Windows Presentation Foundation 5 4 WS-D Web Services-Discovery 5 4 WSDL Web Services Description Language 5 4 WSFL Web Services Flow Language 5 4 WUSB Wireless Universal Serial Bus 5 4 WWAN Wireless Wide Area Network 5 4 WWID World Wide Identifier 5 4 WWN World Wide Name 5 4 WWW World Wide Web 5 4 WYSIWYG What You See Is What You Get 5 4 What you see is what you get 6 5 WZC Wireless Zero Configuration 5 4 XAG XML Accessibility Guidelines 5 4 XAML eXtensible Application Markup Language 5 4 XDM X Window Display Manager 5 4 XDMCP X Display Manager Control Protocol 5 4 XCBL XML Common Business Library 5 4 XHTML eXtensible Hypertext Markup Language 5 4 XILP X Interactive ListProc 5 4 XMMS X Multimedia System 5 4 XMPP eXtensible Messaging and Presence Protocol 5 4 XMS Extended Memory Specification 5 4 XNS Xerox Network Systems 5 4 XP Cross-Platform 5 4 Extreme Programming 5 4 XPCOM Cross Platform Component Object Model 5 4 XPI XPInstall 5 4 XPIDL Cross-Platform IDL 5 4 XPS XML Paper Specification 5 4 XSD XML Schema Definition 5 4 XSL eXtensible Stylesheet Language 5 4 XSL-FO eXtensible Stylesheet Language Formatting Objects 5 4 XSLT eXtensible Stylesheet Language Transformations 5 4 XSS Cross-Site Scripting 5 4 XTF eXtensible Tag Framework 5 4 eXtended Triton Format 5 4 XUL XML User Interface Language 5 4 XVGA Extended Video Graphics Adapter 5 4 Y2K Year Two Thousand 5 4 YAAF Yet Another Application Framework 5 4 YACC Yet Another Compiler Compiler 5 4 YAML YAML Ain't Markup Language 5 4 YaST Yet another Setup Tool 5 4 ZCAV Zone Constant Angular Velocity 5 4 ZCS Zero Code Suppression 5 4 ZIF Zero Insertion Force 5 4 ZIFS Zero Insertion Force Socket 5 4 ZISC Zero Instruction Set Computer 5 4 ZOI Zero One Infinity 5 4 ZOPE Z Object Publishing Environment 5 4 ZMA Zone Multicast Address 5 4 ZPL Z-level Programming Language 5 4 1337 From the word Leet, derived from the word elite 6 5 2 too, or to 6 5 3DPD 3-Dimensional Pig Disgusting, denotes two dimensions are superior to reality 6 5 4 For 6 5 10q Thank you 6 5 10x Thanks 6 5 A C? AH! SI? 6 5 AAF As A Friend 6 5 ADAD Another Day Another Dollar 6 5 ADIH Another Day In Hell 6 5 ADIP Another Day in Paradise 6 5 AEAP As Early As Possible 6 5 AFAICR As far as I can recall / remember 6 5 AFAICS As far as I can see 6 5 AFAICT As far as I can tell 6 5 AFAIK As far as I know 6 5 AFAIR As far as I remember 6 5 AFAP As Far As Possible 6 5 AFK Away from keyboard 6 5 ALOL Actually laughing out loud 6 5 ASAP As soon as possible 6 5 ASL or A/S/L Age / sex / location 6 5 ASLP or A/S/L/P Age, sex, location, picture 6 5 ATEOTD At The End of the Day 6 5 ATB All the best 6 5 AWOL Absent Without (Official) Leave 6 5 AYBABTU (also abbreviated as AYB) all your base are belong to us (from the video game Zero Wing) 6 5 B4 Before 6 5 BBIAB Be back in a bit 6 5 BBQ Barbecue. While not Internet slang in itself, it is often combined with other initialisms as a point of satire, absurdity, or a non-sequitur. For example OMG WTF BBQ. 6 5 BBL/BBS Be back later / shortly / soon 6 5 BCNU Be seein' you 6 5 BFF Best Friends Forever 6 5 BFN Bye For Now 6 5 blog Also known as web log or an online journal 6 5 BOFH Bastard operator from hell 6 5 bot Any type of automated software in chatrooms and web-cataloging software 6 5 BRB Be right back 6 5 BSOD Blue Screen of Death 6 5 BTDT Been there done that 6 5 BTTT Back to the top 6 5 BTW By the way 6 5 bump Increment (for example, C's ++ operator.) or a backronym for "Bring Up My Post" 6 5 CMIIW Correct me if I'm wrong. 6 5 crawl To retrieve a web page along with the hyperlinks that reference it 6 5 crapplet A poorly written computer application 6 5 crapware Unwanted software that is often installed with another program 6 5 CU See you (later) 6 5 CYA See ya OR Cover Your Ass 6 5 cyber- (prefix) A term used to connect the subsequent word loosely to the world of computers or the Internet or sex over a computer 6 5 cyberspace Virtual reality, the Internet, the World Wide Web, and other kinds of computer systems. Science fiction author William Gibson popularized the term in his novel Neuromancer. Gibson used the word to describe a virtual world of computer networks that his cyberpunk heroes 'jacked into' 6 5 DFTT Don't feed the trolls 6 5 DFTBA Don't forget to be awesome 6 5 DGAF Don't give a fuck 6 5 DIAF Die in a fire 6 5 DILLIGAF/D/S Does it look like I give a flip / fuck / damn / shit 6 5 D/L Download 6 5 ELI5 Explain like I'm Five 6 5 ESAD eat shit and die 6 5 F9 Fine 6 5 FFS For fuck's sake 6 5 flamer Someone who makes inflammatory, abusive or directly offensive comments. Similar to, but not quite the same as an Internet troll. 6 5 FMCDH From My Cold Dead Hands 6 5 FML Fuck my life. 6 5 FOAD Fuck off and die 6 5 FOAF Friend of a friend 6 5 FTFY Fixed that for you 6 5 FTL For the loss 6 5 FTW For the win 6 5 FTW? Can be construed as "Fuck the what?" (reversal of WTF?, implies increased confusion) 6 5 FU Fuck you 6 5 FUBAR Fucked up beyond all recognition / repair (from military slang; pronounced "foo-bar") 6 5 FWIW For what it's worth 6 5 GBTW Get back to work 6 5 GF Great/good fight 6 5 GFU Good for you 6 5 GFY Go fuck yourself 6 5 GG Good game, used at or near the conclusion of a gaming match 6 5 GGS Good games 6 5 GJ Good job, often used in online gaming when a teammate performs an act benefitting his team, such as killing an opponent or enabling that kill 6 5 GL Good luck, used before commencing a game 6 5 GMTA Great minds think alike 6 5 Godwin's law Dictates that the longer a thread, the more likely someone will post a comparison involving Nazis or Hitler 6 5 gratz Congratulations 6 5 GTFO Get the fuck out 6 5 GTG or G2G 'Got to go' or 'Good to go' 6 5 GR Good Race 6 5 GIYF; H HAND have a nice day 6 5 handle Name used in online chat, (AKA nick(name), alias, screen/user name) 6 5 haxor or H4x0r (1337) Hacker 6 5 hit A request made to the web server, (noun) the results of an Internet search, (verb) loading a Web page. Hits are not equivalent to visitors of a webpage. 6 5 home page The website's introduction page, starting point, and guide. The technical term is "index" 6 5 hot list A collection of publicly available URLs (World Wide Web site addresses), sometimes available as text files. 6 5 HTH Hope this / that helps 6 5 IANAL I am not a lawyer 6 5 IBTL In before the lock 6 5 IDK I don't know 6 5 IHT I had to 6 5 IONO I don't know 6 5 IIRC If I recall / remember correctly 6 5 IIUC If I understand correctly 6 5 ILY I love you 6 5 IMAO In my arrogant opinion 6 5 IMO In my opinion 6 5 IMHO In my humble / honest opinion 6 5 IMNSHO In my not so humble opinion 6 5 information superhighway The Internet (AKA: I-way, infobahn) 6 5 IOW In other words 6 5 IRL In real life 6 5 ISTM It seems to me 6 5 ITYM I Think You Mean 6 5 IWSN I want sex now 6 5 IYDMMA If you don't mind my asking 6 5 IYKWIM If you know what I mean 6 5 IZI Easy (French-speaking, from the group 92i) 6 5 jaggy aliased computer graphics 6 5 JAS Just a sec 6 5 JFTR Just for the record 6 5 JK or j/k Just kidding, or joke 6 5 JFGI; K k or kk OK 6 5 KISS Keep it simple stupid. 6 5 r kms: kill myself 6 5 KOS Kill on sight 6 5 KTHX OK, thanks 6 5 kthxbye OK, thanks, goodbye, used either to cut short a conversation or to express displeasure with being cut short 6 5 l8r Later, L8R also sometimes abbreviated as L8ER is commonly used in chat rooms and other text based communications as a way of saying good bye. 6 5 lag Slang term for slow Internet speeds or high Internet latency; Lag is sometimes due to a server problem, but more frequently due to the connection between client and server. A slow or intermittent connection may often be referred to as laggy 6 5 lamer A know-nothing, one who is lame. 6 5 leet Often spelled as l33t or 1337. It originally meant elite 6 5 LFG Looking for group 6 5 LFM Looking for more 6 5 LMAO Laughing my ass off 6 5 LMBO Laughing my butt off 6 5 LMFAO Laughing my fucking ass off 6 5 LMGTFY Let me Google that for you 6 5 LMIRL Let's meet in real life. 6 5 LMK Let me know 6 5 LOL Laughing out loud, laugh out loud 6 5 LTNS Long time no see 6 5 lulz Corruption of LOL 6 5 lurker Someone who frequents a community or group without participating in discussions 6 5 LYLAB Love you like a brother. 6 5 LYLAS Love you like a sister. 6 5 MFW My face when (Usually accompanied by an image) 6 5 MMO Massive Multi-player Online [game] 6 5 MTFBWY May The Force be with you 6 5 MUSH Multi-User Shared Hallucination 6 5 MYOB Mind your own business 6 5 M8 Mate 6 5 N1 Nice one, used mostly often in gaming 6 5 NE1 "Anyone" 6 5 newbie, newb, n00b An inexperienced user of a system or game, or an annoying person. Usually a derogatory term for someone inexperienced at a game. 6 5 NIFOC Naked In Front Of Computer 6 5 NM (Sometimes written N/M) Not much, Never mind or no message, used on message boards or in e-mails to indicate that everything is already said in the subject line. 6 5 namewaster person who abandons an account shortly after its creation 6 5 n0rp Alternate form of pr0n, intentional misspelling of porn 6 5 NSOH No sense of humor. 6 5 NSFW Not safe for work. Warning about content that may get the viewer in trouble with his employer or co-workers. 6 5 NVM, NVMD, or nm Nevermind, not much 6 5 O RLY Oh really? 6 5 OIC Oh, I see 6 5 OFN Old freaking news 6 5 OMFG Oh my fucking god 6 5 OMGWTF Oh my God what the fuck 6 5 OMGWTFBBQ Oh my God what the fuck barbecue 6 5 OMW On my way or Oh my word 6 5 ONOZ Oh, no 6 5 OP Original poster / Operator / Outpost / Overpowered 6 5 OT Off topic 6 5 OTB Off to bed 6 5 OTOH On the other hand 6 5 OTP On the phone or One true pairing or On The Piss 6 5 PAW Parents are watching 6 5 PEBKAC/PEBCAK Problem exists between keyboard and chair 6 5 PITA Pain in the arse / ass 6 5 PLMK Please let me know 6 5 PMSL Pissing myself laughing 6 5 POTS Plain old telephone service 6 5 POV Point of view 6 5 PL Powerleveling, used in online games. 6 5 PPL People 6 5 PTKFGS Punch the Keys For God's Sake 6 5 pr0n Intentional misspelling of porn 6 5 PW Persistent World (gaming) 6 5 pwned Intentional misspelling of owned 6 5 QFT Quoted for truthiness—either to show satire or agreement with something satiric. 6 5 QWP (texting) Quit Whining, Please. (gaming) equip verb / equipment noun. 6 5 rehi (or merely re) Hello again 6 5 RL Real Life 6 5 ROFL/ROTFL Rolling on (the) floor laughing 6 5 ROFLCOPTER Indicate extreme amusement 6 5 ROFLMAO/ROTFLMAO Rolling on (the) floor laughing my ass off 6 5 ROFLMAOWPIMP/ROTFLMAOWPIMP Rolling on (the) floor laughing my ass off while peeing in my pants 6 5 ROFLOL/ROTFLOL Rolling on (the) floor laughing out loud 6 5 RSN Real soon now (used sarcastically) 6 5 RTFB Read the fucking binary (or book) 6 5 RTFS Read the fucking source 6 5 RTFM/RTM Read the (fucking/fine) manual or reboot the (fucking) machine 6 5 SCNR Sorry, could not resist 6 5 SFW Safe for Work, see NSFW 6 5 sk8/sk8r/sk8er skate/skater 6 5 smiley Another name for emoticons 6 5 SMH Shaking my head 6 5 SNAFU Situation normal: all (fucked/fouled) up 6 5 snail mail Normal paper mail service 6 5 SOHF Sense of humor failure 6 5 SOS Someone (watching) Over Shoulder 6 5 spider The program behind a search engine 6 5 STFU Shut the fuck up 6 5 STFW Search the fucking web 6 5 TANSTAAFL There ain't no such thing as a free lunch, a quote originally from Robert Heinlein's The Moon is a Harsh Mistress 6 5 TBF Time between failures 6 5 TBH To be honest 6 5 TFW That feel when 6 5 TG That's great 6 5 TGIF Thank God it's Friday 6 5 THX/THNX, TNX or TX Thanks 6 5 TIA Thanks in advance 6 5 TIL Today I learned 6 5 TIMWTK This inquiring mind wants to know 6 5 TINC There Is No Cabal, a term discouraging conspiracy theories 6 5 s TINS: There is no spoon 6 5 TL;DR Too Long; Didn't Read 6 5 TMI Too much information 6 5 toobs Internets (refering to the Internet as a series of tubes) 6 5 TOS Terms of service 6 5 TTBOMK To the best of my knowledge 6 5 TTFN Ta ta for now 6 5 TTYL Talk to you later (also spelled TTUL, T2UL or T2YL) 6 5 TTYN Talk to you never 6 5 TTYS Talk to you soon 6 5 tweedler One who has deep love for all computer related technology and gadgets 6 5 TY Thank you 6 5 TYT Take your time 6 5 TYVM Thank you very much 6 5 U You 6 5 UTFSE Use the fucking search engine 6 5 UGO You got Owned 6 5 URS You Really Suck 6 5 w00t, w00T or WOOT First two express exuberance, the last is a backronym for the term "We Own the Other Team". 6 5 W/ or W/O With or without 6 5 WB Welcome back 6 5 WBU What (a)bout you 6 5 W/E Whatever 6 5 Weekend 6 5 WRT With respect / regard to 6 5 WTB Want to buy 6 5 WTF What the fuck 6 5 WTH What the hell 6 5 WTS Want to sell 6 5 WTT Want to trade 6 5 WUG What you got? 6 5 WUBU2 What (have) you been up to? 6 5 WUU2 What (are) you up to? 6 5 W8 Wait 6 5 YAGNI You Ain't Gonna Need It. 6 5 YAGTOH you are going to own him. 6 5 YGM You've Got Mail. 6 5 YHBT You have been trolled. 6 5 YKW You know what? 6 5 YMMV Your mileage may vary. 6 5 YOLO You Only Live Once. 6 5 YOYO You're On Your Own. 6 5 YTMND You're The Man Now, Dog 6 5 YW You're welcome. 6 5 ZOMG An intentional misspelling of the acronym shorthand for "Oh My God" and pronounced "Zoh My God" This version is mainly used in jest or to ridicule people who use abbreviations like OMG and OMFG 6 5 <3 Love 6 5