This list contains acronyms, initialisms, and pseudo-blends that begin with the letter T.
For the purposes of this list:
- acronym = an abbreviation pronounced as a series of constituent letters, e.g., SARS = severe acute respiratory syndrome
- initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc
- pseudo-blend = an abbreviation whose extra or omitted letters means that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).
- (a) = acronym in the example: SARS - (a) Severe acute respiratory syndrome
- (i) = initialism in the example: CD - (i) Compact disc
- (p) = pseudo-blend in the example: UNIFEM - (p) United Nations Development Fund for Women
- (s) = symbol (none of the above, representing and pronounced as something else; for example: MHz - Megahertz)
Add new entries here or in the sub-pages
Please add your own entries, in this page or in the appropriate sub-page. Use a quasi-dictionary order, with lowercase treated the same as uppercase and ignoring non-alphanumeric characters (hyphens and such). This means that only alphanumeric characters have any significance in determining order, and that lowercase letters occupy the same ordering position as uppercase (in tie-breaker cases, list lower case first). For example: Ka appears before KA. (This differs from a strict ASCII ordering.)
(Main list of acronyms and initialisms)
| Contents: | Top - T0–9 TA TB TC TD TE TF TG TH TI TJ TK TL TM TN TO TP TQ TR TS TT TU TV TW TX TY TZ |
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TA
- ta - (s) Tamil language (ISO 639-1 code)
- 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 - (a) Trans Australia Airlines
- TAACOM - (p) U.S. Theater Army Area Command
- TAADCOORD - (p) Theatre Army Air Defence Co-ordinator
- TAAR - (i) Trace Amine-Associated Receptor
- 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
- tah - (s) Tahitian language (ISO 639-2 code)
- TAI - (i) Target[ed] Area of Interest
- TAJ - (i) Tom and Jerry
- TAJT - (i) Tom and Jerry Tales
- TALES - (a) Technical Advice and Lexicon for Enabling Simulation
- tam - (s) Tamil language (ISO 639-2 code)
- TANJ - (a) There Ain't No Justice (used as expletive in the Ringworld novels)
- 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 - (s) Tatar language (ISO 639-2 code)
- TAT - (i) Tourism Authority of Thailand
- TATP - (p) TriAcetone TriPeroxide
- TATT - (i) Tired All The Time (medical diagnosis in-joke)
TB
- Tb - (s) Terbium
- TB - (p) Tuberculosis
- TBA - (i) to be announced
- TBBPA - (p) TetraBromoBisPhenol-A
- TBC - (i) to be confirmed, to be continued
- TBD - (i) "to be documented", "to be determined", or "to be decided"
- TBD - (i) Torpedo Boat Destroyer
- TBGRI - (i) Tropical Botanic Garden and Research Institute, India
- TBH - (i) To Be Honest
- TBM - (i) Tactical Ballistic Missile - Theatre Ballistic Missile
- TBT - (p) Tributyltin
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
- TCAA - (i) Top Counter-Assault Agents
- TCCCS - (i/a) Tactical Command, Control and Communication System ("ticks")
- TCD - (s) Chad (ISO 3166 trigram)
- TCG - (i) Trusted Computing Group - Türkiye Cumhuriyeti Gemisi
- TCHD - (i) Truck Cargo Heavy Duty
- 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
- TCW - (i) Tasty Coma Wife
TD
- TD - (i) Territorial Decoration
- TD - Toon Disney
- TD - Touchdown
- TDA - The Disney Afternoon
- 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) Telugu language (ISO 639-1 code)
- Te - (s) Tellurium
- TE - (i) Tactical Exploitation - (p) Testosterone to Epitestosterone ratio - (i) Tight end (American football; position generally not used in modern Canadian football)
- TEAL - (a) Tasman Empire Airways Limited
- Team - (a) Together everyone achieves more
- TEAMS – (a) The East African Marine System (fiber optic cable)
- TED - (a) Technology Entertainment Design prize
- TEETH - (a) Tried Everything Else, Try Homeopathy (medical diagnosis in-joke)
- tel - (s) Telugu language (ISO 639-2 code)
- 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
- TER's(Stargate) -Transphase Emission Rods
- 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 Teddy Bear
TF
- TF - (s) French Southern Territories (ISO 3166 digram) - (i) Task Force - (s) Terafarad
- TFMPP - (p) Trifluorophenylmethylpiperazine
- TFR - (i) Total Fertility Rate
- TFT - (i) Thin-Film Transistor
TG
- tg - (s) Tajik language (ISO 639-1 code)
- Tg - (s) Teragram
- TG - (s) Togo (ISO 3166 digram)
- TGIAT - (i) Thank God it's Asshole Thursday
- TGIF - (i) Thank God it's Friday, Toes Go In First
- tgk - (s) Tajik language (ISO 639-2 code)
- tgl - (s) Tagalog language (ISO 639-2 code)
- 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) Thai language (ISO 639-1 code)
- Th - (s) Thorium
- TH - (s) Terahenry - Thailand (ISO 3166 and FIPS 10-4 country code digram)
- tha - (s) Thai language (ISO 639-2 code)
- THA - (s) Thailand (ISO 3166 trigram)
- THAAD - (a/i) Terminal High Altitude Area Defence
- THB - (s) Thai baht (ISO 4217 currency code)
- THEGENTRY - (a) The High-End Group of Earth's New Technologies Research Yield
- THEL - (a) Tactical High Energy Laser ACTD
- THG - (p) Tetrahydrogestrinone
TI
- ti - (s) Tigrinya language (ISO 639-1 code)
- Ti - (s) Tebi - Titanium
- TI - (s) Tajikistan (FIPS 10-4 country code) - (i) Thermal Imaging - Threat Identification - Training Instructor - Texas Instruments
- TIA - (i) Total Information Awareness initiative
- TIALD – (i) Thermal Imaging and Airborne Laser Designation
- TIAA-CREF – (i, pronounced as "T-I-A-A-cref") Teachers Insurance and Annuity Association - College Retirement Equities Fund
- TIBS - (a) Tactical Information Broadcast System
- TIC - (a) Troops In Contact
- TID - (p) Target Identification - (i) ter in die (Latin, "three times daily")
- TIGERS - (a) Topologically Integrated Geographic Encoding and Referencing System
- TIM - (a) Technical Information Memorandum - Technical Interchange Meeting - Toxic Industrial Material - Telecom Italia Mobile
- TIMS - (a) Tactical Internet Management System - The Institute of Management Sciences - The International Molinological Society - Thermal Infrared Multispectral Scanner - Thermal Ionization Mass Spectrometry - Travel Information Management Services - Tuberculosis Information Management System
- TINC - (a) There Is No Cabal
- TINY - That Is, Not You (internet slang)
- TIP - (a) Thermal Identification Panel
- tir - (s) Tigrinya language (ISO 639-2 code)
TJ
- TJ - (s) Tajikistan (ISO 3166 digram) - Terajoule
- TJD - (i) Truncated Julian Day
- TJK - (s) Tajikistan (ISO 3166 trigram)
- TJS - (s) Tajik somoni (ISO 4217 currency code)
TK
- tk - (s) Turkmen language (ISO 639-1 code)
- TK - (s) Terakelvin - Tokelau (ISO 3166 digram)
- TKL - (s) Tokelau (ISO 3166 trigram)
- TKM - (s) Turkmenistan (ISO 3166 trigram)
TL
- tl - (s) Tagalog language (ISO 639-1 code)
- Tl - (s) Thallium
- TL - (i) Team Leader - (s) Teralitre - Timor-Leste (ISO 3166 digram) - (p) ThermoLuminescence
- TLATOJL - The Life and Times of Juniper Lee
- 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 LayerChromatography-T-Boz Lefteye Chilli
- TLD - (i) Thermoluminescent Dosimeter - Top-Level Domain
- TLM - (i) Traditional Latin Mass or Tridentine Latin Mass or Transaction Lifecycle Management
- 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) Tympanic Membrane
- TM! - (p) Tenchi Muyo!
- TMA - (i) Terminal Manoeuvring Area (restricted flying zone)
- TMA - (i) Texas Medical Association
- TMAP - (a/i) Texas Medication Algorithm Project
- TMD - (i) Theatre Missile Defence
- TMJ - (i) TemporoMandibular Joint (syndrome)
- TMM - (s) Turkmen manat (ISO 4217 currency code)
- TMNT - (i) Teenage Mutant Ninja Turtles
- 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) Tswana language (ISO 639-1 code)
- TN - (s) Tennessee (postal symbol) - Teranewton - Tonga (FIPS 10-4 country code) - Tunisia (ISO 3166 digram)
- TNA - (i) Total Nonstop Action Wrestling
- TND - (s) Tunisian dinar (ISO 4217 currency code)
- TNO - (i) Trans-Neptunian Object
- TNT - (p) TriNitroToluene
TO
- to - (s) Tongan language (ISO 639-1 code)
- 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
- TOBS - (a) Time of OBServation
- TOC - (a/i) Table Of Contents - Tactical Operations Centre - (i) Temporo-Occipital transition Cortex - Top of Concrete
- To-do - (s) To-do-List
- TOGS - (a) Thermal Observation Gunnery Sight
- TOMS - (a) Total Ozone Mapping Spectrometer (satellite instrument)
- ton - (s) Tongan language (ISO 639-2 code)
- TON - (s) Tonga (ISO 3166 trigram)
- TOP - (s) Tongan pa'anga (ISO 4217 currency code)
- 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 - (i) Trident Ploughshares
- 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
- TQ - (i) Top Qualifier (similar to Pole Position in car racing)
TR
- tr - (s) Turkish language (ISO 639-1 code)
- TR - (s) Turkey (ISO 3166 digram)
- TRA - (i) Technology Readiness Assessment
- TRAC - (p) (U.S. Army) TRADOC Analysis Center
- TRACON - (a) Terminal Radar Approach Control
- 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
- TRU - (a) Transuranic
- TRUEX - (p) Training in Urban Environment Exercise
- TRW - (i) Thompson Ramo Wooldridge Inc.
- TRY - (s) Turkish lira (ISO 4217 currency code)
TS
- ts - (s) Tsonga language (ISO 639-1 code)
- Ts - (s) Terasecond
- TS - (s) Terasiemens - Thunderstorm (METAR Code) - Tunisia (FIPS 10-4 country code) - (i) TinySex - Transsexual - (i) "Tough Sh*t"
- TSA - (i) Theatre Storage Area - Time Slot Allocation - Transportation Security Administration ii The Salvation Army
- TSCA - (a) Toxic Substances Control Act ("tosca")
- TSEC - (i) Transmission Security Encryption Code
- TSL - (i) Transportation Security Laboratory
- tsn - (s) Tswana language (ISO 639-2 code)
- TSN - (i) The Sporting News - The Sports Network
- tso - (s) Tsonga language (ISO 639-2 code)
- TSO - (i) The Stationery Office (was HMSO until 1996) - (U.S.) TRICARE Support Office - (i) Trans-Siberian Orchestra (band)
- TSOP - (i) Tactical Standing Operation Procedure
- TSR - many, including Terminate and Stay Resident; see entry
- TSSIA - (i) The Subject Says It All
TT
- tt - (s) Tatar language (ISO 639-1 code)
- TT - (s) Teratesla - (i) Terrestrial Time - Tourist Trophy (Motorcycle sport) - (s) Trinidad and Tobago (ISO 3166 digram)
- TTD - (s) Trinidad and Tobago dollar (ISO 4217 currency code)
- 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
- TTTEAF - Thomas the Tank Engine and Friends
- 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)
- tuk - (s) Turkmen language (ISO 639-2 code)
- TUN - (s) Tunisia (ISO 3166 trigram)
- TUNS - (i) Technical University of Nova Scotia
- tur - (s) Turkish language (ISO 639-2 code)
- 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
- TVG - (i) Tick, Very Good, Often used by School Teachers when marking homework etc. (Tick VG)[1][2]
- TVR - (i) TreVor (Wilkinson) Racing
TW
- tw - (s) Twi language (ISO 639-1 code)
- 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
- TWD - (s) Taiwan dollar (ISO 4217 currency code)
- TWE - (a) Trans World Entertainment
- twi - (s) Twi language (ISO 639-2 code)
- 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
- TWIP - (a) Take What Insurance Pays - When a surgeon agrees to accept a lower payment than he ordinarily would for a procedure and not charge the patient the difference
TX
- TX - (s) Texas (postal symbol) - Transmit - Turkmenistan (FIPS 10-4 country code)
TY
- ty - (s) Tahitian language (ISO 639-1 code)
- TYFH - (a/i) Trace Your Family History - used in the title of series of UK genealogy books
- TYT - Take Your Time - Internet chat abbreviation
TZ
- TZ - (s) Tanzania (ISO 3166 and FIPS 10-4 country code digram)
- TZA - (s) Tanzania (ISO 3166 trigram)
- TZC - (p) Tetrazolium chloride
- TZS - (s) Tanzanian shilling (ISO 4217 currency code)
References
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