(Main list of acronyms and initialisms)

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• T - (s) Tera - Tesla - Tritium

TA

• Ta - (s) Tantalum
• TA - (i) Target Acquisition - Teaching Assistant - (s) Tera-ampere - (i) Territorial Army (UK) - (s) Tristan da Cunha (ISO 3166 digram)
• TAA - (i) Transparency Anti-Aliasing
• TAACOM - (p) U.S. Theater Army Area Command
• TAADCOORD - (p) Theatre Army Air Defence Co-ordinator
• TAC - (a) U.S. Tactical Air Command (1946-1992)
• TACAMO - (p) Take Charge and Move Out (U.S. military)
• TACAN - (p) Tactical Air Navigation
• TACC - (i) Tactical Air Control Centre - (USAF) Tanker Airlift Control Center
• TACCO - (p) Tactical Coordinator
• TACCSF - (i) U.S. Theater Aerospace Command & Control Simulation Facility
• TACDAR - (p) Tactical Detection And Reporting
• TACP - (i) Tactical Air Control Party - Technology Applications Certification Program
• TACSOP - (p) Tactical SOP (Standing Operating Procedure)
• TADIL - (p) Tactical Digital Information Link
• TADL - (a) Tactical Air Data Link ("taddle")
• TADSS - (i) Training Aids, Devices, Simulators, and Simulations
• TAI - (i) Target^* Area of Interest
• TALES - (a) Technical Advice and Lexicon for Enabling Simulation
• TANJ - (a) There Ain't No Justice
• TANP - (i) Terrain-Aware Network Planner
• TANSTAAFL - (a) There Ain't No Such Thing As A Free Lunch (coined by author Robert A. Heinlein in his The Moon Is a Harsh Mistress)
• TARDIS - (a) Time And Relative Dimensions In Space (from Doctor Who)
• TAROT - (a) Télescope à action rapide pour les objets transitoires (French, "Transient Object Rapid Action Telescope")
• TAS - Tasmania (postal symbol)
• TASER - (a) Thomas A. Swift's Electric Rifle
• TASM - (i) Tactical Air-to-Surface Missile
• TAT - (i) Tourism Authority of Thailand
• TATT - (i) Tired All The Time (medical diagnosis in-joke)
• TSSIA - (i) The subject says it all
• THEGENTRY - (a) The High-End Group of Earth's New Technologies Research Yield

TB

• Tb - (s) Terbium
• TB - (p) Tuberculosis
• TBA - (i) To Be Announced
• TBC - (i) To Be Confirmed
• TBD - (i) To Be Determined
• TBGRI - (i) Tropical Botanic Garden and Research Institute (India)
• TBM - (i) Tactical Ballistic Missile - Theatre Ballistic Missile

TC

• Tc - (s) Technetium
• TC - (s) Teracoulomb - Turks and Caicos (ISO 3166 digram) - United Arab Emirates (FIPS 10-4 country code; from Trucial Coast States)
• TCA - (i) Transformational Communications Architecture - (s) Turks and Caicos (ISO 3166 trigram)
• TCAS - (i) Traffic Collision Avoidance System
• TCCCS - (i/a) Tactical Command, Control and Communication System ("ticks")
• TCD - (s) Chad (ISO 3166 trigram)
• TCG - (i) Trusted Computing Group - Türkiye Cumhuriyeti Gemisi
• TCL - (i) Tool Command Language
• TCP - (i) Traffic Control Point - Transmission Control Protocol - Trichlorophenol
• TCU - (i) Texas Christian University
• TCWMS - (i) Tele-Center Workforce Management System

TD

• TD - (s) Chad (ISO 3166 digram) - (i) Temporary/Travel Duty - (s) Trinidad and Tobago (FIPS 10-4 country code)
• TDL - (i) Tactical Data Link
• TDM - (i) Time-Division Multiplexing
• TDMA - (i) Time Division Multiple Access
• TDP - (i) Technology Demonstration Programme
• TDRS - (i) Tracking Data and Relay Satellite

TE

• Te - (s) Tellurium
• TE - (i) Tactical Exploitation
• TEAL - (a) Tasman Empire Airways Limited
• Team - (a) Together everyone achieves more
• TED - (a) Technology Entertainment Design prize
• TEETH - (a) Tried Everything Else, Try Homeopathy (medical diagnosis in-joke)
• TEL - (a/i) Transporter, Erector and Launcher
• TELAR - (a) Transporter, Erector, Launcher And Radar
• TEMO - (a) Training, Exercise, and Military Operations
• TENCAP - (p) Tactical Exploitation of National Capabilities
• TERS - (i) Tactical Event Reporting System
• TES - (i) Tactical Event System
• TEST - (a) Thesaurus of Engineering and Scientific Terms
• TeVeS - (p) Tensor Vector Scalar theory

TF

• TF - (s) French Southern Territories (ISO 3166 digram) - (i) Task Force - (s) Terafarad
• TFT - (i) Thin-Film Transistor

TG

• Tg - (s) Teragram
• TG - (s) Togo (ISO 3166 digram)
• TGIF - (i) Thank God it's Friday
• TGO - (s) Togo (ISO 3166 trigram)
• TGT - (p) Target
• TGV - (i) Tanjong Golden Village - Test Generation with Verification - Train à grande vitesse (French for "High-Speed Train")

TH

• Th - (s) Thorium
• TH - (s) Terahenry - Thailand (ISO 3166 and FIPS 10-4 country code digram)
• THA - (s) Thailand (ISO 3166 trigram)
• THAAD - (a/i) Theatre High Altitude Area Defence
• THAW - (a) Tony Hawk's American Wasteland
• THEL - (a) Tactical High Energy Laser ACTD
• THUG - (p) Tony Hawk's Underground

TI

• Ti - (s) Tebi - Titanium
• TI - (s) Tajikistan (FIPS 10-4 country code) - (i) Thermal Imaging - Threat Identification - Training Instructor
• TIA - (i) Total Information Awareness initiative
• TIBS - (a) Tactical Information Broadcast System
• TID - (p) Target Identification - (i) ter in die (Latin, "three times daily")
• TIGER - (a) Topologically Integrated Geographic Encoding and Referencing System
• TIM - (a) Technical Information Memorandum - Technical Interchange Meeting - Toxic Industrial Material
• TIMS - (a) Tactical Internet Management System- The International Molinological Society - Thermal Infrared Multispectral Scanner - Thermal Ionization Mass Spectrometry - Travel Information Management Services - Tuberculosis Information Management System
• TINY - That Is, Not You (internet slang)
• TIP - (a) Thermal Identification Panel
• TIVP - Totally Innocent Victim of a Party

TJ

• TJ - (s) Tajikistan (ISO 3166 digram) - Terajoule
• TJD - (i) Truncated Julian Day
• TJK - (s) Tajikistan (ISO 3166 trigram)

TK

• TK - (s) Terakelvin - Tokelau (ISO 3166 digram)
• TKL - (s) Tokelau (ISO 3166 trigram)
• TKM - (s) Turkmenistan (ISO 3166 trigram)

TL

• Tl - (s) Thallium
• TL - (i) Team Leader - (s) Teralitre - Timor-Leste (ISO 3166 digram) - (p) ThermoLuminescence
• TLA - (i) Three-Letter Abbreviation/Acronym
• TLAM - (i) Tomahawk Land Attack Missile
• TLAR - (i) That Looks About Right (chat shorthand) - Transporter-Launcher And Radar
• TLC - (i) Tender Loving Care - The Learning Channel - Thin Layer Chromatography
• TLD - (i) Top-Level Domain
• TLM - (i) Traditional Latin Mass or Tridentine Latin Mass
• TLS - (s) Timor-Leste (ISO 3166 trigram) - (i) Times Literary Supplement

TM

• Tm - (s) Terametre - Thulium
• TM - (i) Technical Manual - Theatre Missile - Thematic Mapper - (p) trademark (often written in small superscript type: ^TM or ™) - (i) Turing machine - (s) Turkmenistan (ISO 3166 digram)
• TM! - (p) Tenchi Muyo!
• TMA - (i) Terminal Manoeuvring Area (restricted flying zone)
• TMAP - (a/i) Texas Medication Algorithm Project
• TMD - (i) Theatre Missile Defence
• TMI - (i) Too Much Information (Internet slang)
• TMJ - (i) TemporoMandibular Joint (syndrome)
• TMP - (s) East Timor (ISO 3166 trigram; obsolete 2002) - (p) Temporary
• TMPG - (i) Transparent Multi-Platform Gateway
• TMR - (i) Twin Main Rotors (helicopter type)
• TMS - (i) Transcranial Magnetic Stimulation
• TMT - (i) Thirty Meter Telescope
• TMTOWTDI - (i) There's More Than One Way To Do It (from Perl)

TN

• TN - (s) Tennessee (postal symbol) - Teranewton - Tonga (FIPS 10-4 country code) - Tunisia (ISO 3166 digram)
• TNT - (i) TriNitro Toluene

TO

• T/O - (i) Theatre of Operations
• TO - (s) Togo (FIPS 10-4 country code) - Tonga (ISO 3166 digram)
• TOA - (i) Table Of Authorities - Total Obligation Authority (accounting)
• TOAD - (a) Temporary, Obsolete, Abandoned, or Derelict site (urbanism) - Towed Optical Assessment Device
• TOC - (a/i) Table Of Contents - Tactical Operations Centre - (i) Temporo-Occipital transition Cortex
• TOGS - (a) Thermal Observation Gunnery Sight
• TOMS - (a) Total Ozone Mapping Spectrometer (satellite instrument)
• TON - (s) Tonga (ISO 3166 trigram)
• TOS - (a) Tape Operating System - Terms Of Service - Tramiel Operating System
• TOT - (i) Time On Target
• TOW - (a) Tube-launched, Optically tracked, Wire-guided (anti-tank missile)

TP

• TP - (s) East Timor (ISO 3166 digram; obsolete 2002) - São Tomé and Príncipe (FIPS 10-4 country code) - (i) Training Practice
• TPO - (p) Thrombopoietin
• TPS - (i) The Pennington School
• TPTB - (i) The Powers That Be (often used to refer to the people responsible for the content of TV series or movies)

TQ

TR

• TR - (s) Turkey (ISO 3166 digram)
• TRA - (i) Technology Readiness Assessment
• TRAC - (p) (U.S. Army) TRADOC Analysis Center
• TRADOC - (p) (U.S. Army) Training and Doctrine Command
• TRAIN - (p) Tourist Railway Association, Inc.
• TRANSCOM - (p) U.S. Transportation Command
• TRAP - (p) Tactical Receive equipment and related Applications
• TRASANA - (p) TRADOC Systems Analysis Agency
• TRD - (i) Towed Radar Decoy
• TRIGAT - (p) Third Generation Antitank (missile)
• TRL - (i) Technology Readiness Level
• Trp - (s) Troop
• TRP - (i) Target Reference Point - (p) Time of Reporting
• TRUEX - (p) Training in Urban Environment Exercise
• TRW - (i) Thompson Ramo Wooldridge Inc.

TS

• Ts - (s) Terasecond
• TS - (s) Terasiemens - Thunderstorm (METAR Code) - Tunisia (FIPS 10-4 country code) - (i) TinySex - Transsexual
• TSA - (i) Theatre Storage Area - Time Slot Allocation - Transportation Security Administration
• TSEC - (i) Transmission Security Encryption Code
• TSN - (i) The Sporting News - The Sports Network
• TSO - (i) The Stationery Office (was HMSO until 1996) - (U.S.) TRICARE Support Office
• TSOP - (i) Tactical Standing Operation Procedure
• TSR - many, including Terminate and Stay Resident; see entry

TT

• TT - (s) Teratesla - (i) Terrestrial Time - Tourist Trophy (Motorcycle racing) - (s) Trinidad and Tobago (ISO 3166 digram)
• TTO - (s) Trinidad and Tobago (ISO 3166 trigram)
• TTFN - (i) Ta Ta For Now
• TTL - (i) Time 'till live - Time to live - Transistor-transistor logic
• TTP - (i) Tactics, Techniques, and Procedures - Trailer Transfer Point
• TTY - (i) TeleTYpewriter (Printer)
• TTYL - (i) Talk To You Later (Internet slang)
• TTZ - (p) Tetrazolium

TU

• TU - (i) Technische Universität (German for "Technical University") - Thammasat University (Thailand) - (s) Turkey (FIPS 10-4 country code)
• TUC - (i) Trades Union Congress
• TUG - (a) TeX Users Group
• TUI - (a/i) Text User Interface (cf. CLI)
• TUN - (s) Tunisia (ISO 3166 trigram)
• TUNS - (i) Technical University of Nova Scotia
• TUR - (s) Turkey (ISO 3166 trigram)
• TUSK - (a) Tank Urban Survival Kit
• TUV - (s) Tuvalu (ISO 3166 trigram)

TV

• TV - (i) Television - (s) Teravolt - (i) Transvestite - (s) Tuvalu (ISO 3166 and FIPS 10-4 country code digram)
• TVA - (i) Tennessee Valley Authority (part of New Deal)
• TVR - (i) TreVor (Wilkinson) Racing

TW

• TW - (s) Republic of China (Taiwan) (ISO 3166 and FIPS 10-4 country code digram) - Terawatt
• TWAIN - (a) Technology Without An Interesting Name
• TWAT - (i) The War Against Terror
• TWE - (a) Trans World Entertainment
• TWI - (i) The Welding Institute
• TWN - (s) Republic of China (Taiwan) (ISO 3166 trigram)
• TWP - (i) Technical Working Paper
• TWS - (i) Thermal Weapon Sight - Track While Scan

TX

• TX - (s) Texas (postal symbol) - Transmit - Turkmenistan (FIPS 10-4 country code)

TZ

• TZ - (s) Tanzania (ISO 3166 and FIPS 10-4 country code digram)
• TZA - (s) Tanzania (ISO 3166 trigram)
• TZC - (p) Tetrazolium chloride

See also

• List of acronyms and initialisms

Lists of abbreviations | Acronyms