

| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| T | Thymine = T | ثايمين | In Arabic = T | Timina | In Catalan = T | Thymin | In Czech = T | Thymin | In Danish = T | Thymin | In German = T | Θυμίνη | In Greek = T | Timina | In Spanish = T | Timino | In Esperanto = T | Timina | In Galician = T | Timina | In Italian = T | Thymine | In French = T | Timin | In Indonesian = T | תימין | In Hebrew = T | Timinas | In Lithuanian = T | Timin | In Hungarian = T | Thymine | In Dutch = T | チミン | In Japanese = T | Tymin | In Norwegian = T | Tymina | In Polish = T | Timina | In Portuguese = T | Тимин | In Russian = T | Timin | In Slovenian = T | Тимин | In Serbian = T | 胸腺嘧啶 | In Chinese = T | Тимін | In Ukrainian = T | Timin | In Turkish = T | Timin | In Serbo-Croatian = T | ไทมีน | In Thai = T | Tymiini | In Finnish = T | Tymin | In Swedish | In English | → Genetics → Biochemistry, biophysics | 
| T | ثايمين = (look above) | In Arabic | → Genetics → Biochemistry, biophysics | 
| T | Timina = (look above) | In Catalan | → Genetics → Biochemistry, biophysics | 
| T | Thymin = (look above) | In Czech | → Genetics → Biochemistry, biophysics | 
| T | Thymin = (look above) | In Danish | → Genetics → Biochemistry, biophysics | 
| T | Thymin = (look above) | In German | → Genetics → Biochemistry, biophysics | 
| T | Θυμίνη = (look above) | In Greek | → Genetics → Biochemistry, biophysics | 
| T | Timina = (look above) | In Spanish | → Genetics → Biochemistry, biophysics | 
| T | Timino = (look above) | In Esperanto | → Genetics → Biochemistry, biophysics | 
| T | Timina = (look above) | In Galician | → Genetics → Biochemistry, biophysics | 
| T | Timina = (look above) | In Italian | → Genetics → Biochemistry, biophysics | 
| T | Thymine = (look above) | In French | → Genetics → Biochemistry, biophysics | 
| T | Timin = (look above) | In Indonesian | → Genetics → Biochemistry, biophysics | 
| T | תימין = (look above) | In Hebrew | → Genetics → Biochemistry, biophysics | 
| T | Timinas = (look above) | In Lithuanian | → Genetics → Biochemistry, biophysics | 
| T | Timin = (look above) | In Hungarian | → Genetics → Biochemistry, biophysics | 
| T | Thymine = (look above) | In Dutch | → Genetics → Biochemistry, biophysics | 
| T | チミン = (look above) | In Japanese | → Genetics → Biochemistry, biophysics | 
| T | Tymin = (look above) | In Norwegian | → Genetics → Biochemistry, biophysics | 
| T | Tymina = (look above) | In Polish | → Genetics → Biochemistry, biophysics | 
| T | Timina = (look above) | In Portuguese | → Genetics → Biochemistry, biophysics | 
| T | Тимин = (look above) | In Russian | → Genetics → Biochemistry, biophysics | 
| T | Timin = (look above) | In Slovenian | → Genetics → Biochemistry, biophysics | 
| T | Тимин = (look above) | In Serbian | → Genetics → Biochemistry, biophysics | 
| T | 胸腺嘧啶 = (look above) | In Chinese | → Genetics → Biochemistry, biophysics | 
| T | Тимін = (look above) | In Ukrainian | → Genetics → Biochemistry, biophysics | 
| T | Timin = (look above) | In Turkish | → Genetics → Biochemistry, biophysics | 
| T | Timin = (look above) | In Serbo-Croatian | → Genetics → Biochemistry, biophysics | 
| T | ไทมีน = (look above) | In Thai | → Genetics → Biochemistry, biophysics | 
| T | Tymiini = (look above) | In Finnish | → Genetics → Biochemistry, biophysics | 
| T | Tymin = (look above) | In Swedish | → Genetics → Biochemistry, biophysics | 
| T | Threonine = T | Treonina | In Catalan = T | Threonin | In Czech = T | Threonin | In German = T | Treonina | In Spanish = T | Treonino | In Esperanto = T | Thréonine | In French = T | 트레오닌 | In Korean = T | Treonin | In Indonesian = T | Treonina | In Italian = T | תראונין | In Hebrew = T | Treonīns | In Latvian = T | Threonin | In Letzeburgesh = T | Treoninas | In Lithuanian = T | Threonine | In Dutch = T | トレオニン | In Japanese = T | Treonina | In Polish = T | Treonina | In Portuguese = T | Треонин | In Russian = T | Treoniini | In Finnish = T | Treonin | In Swedish = T | Treonin | In Turkish = T | Треонін | In Ukrainian = T | 蘇氨酸 | In Chinese | In English | → Biochemistry, biophysics | 
| T | Treonina = (look above) | In Catalan | → Biochemistry, biophysics | 
| T | Threonin = (look above) | In Czech | → Biochemistry, biophysics | 
| T | Threonin = (look above) | In German | → Biochemistry, biophysics | 
| T | Treonina = (look above) | In Spanish | → Biochemistry, biophysics | 
| T | Treonino = (look above) | In Esperanto | → Biochemistry, biophysics | 
| T | Thréonine = (look above) | In French | → Biochemistry, biophysics | 
| T | 트레오닌 = (look above) | In Korean | → Biochemistry, biophysics | 
| T | Treonin = (look above) | In Indonesian | → Biochemistry, biophysics | 
| T | Treonina = (look above) | In Italian | → Biochemistry, biophysics | 
| T | תראונין = (look above) | In Hebrew | → Biochemistry, biophysics | 
| T | Treonīns = (look above) | In Latvian | → Biochemistry, biophysics | 
| T | Threonin = (look above) | In Letzeburgesh | → Biochemistry, biophysics | 
| T | Treoninas = (look above) | In Lithuanian | → Biochemistry, biophysics | 
| T | Threonine = (look above) | In Dutch | → Biochemistry, biophysics | 
| T | トレオニン = (look above) | In Japanese | → Biochemistry, biophysics | 
| T | Treonina = (look above) | In Polish | → Biochemistry, biophysics | 
| T | Treonina = (look above) | In Portuguese | → Biochemistry, biophysics | 
| T | Треонин = (look above) | In Russian | → Biochemistry, biophysics | 
| T | Treoniini = (look above) | In Finnish | → Biochemistry, biophysics | 
| T | Treonin = (look above) | In Swedish | → Biochemistry, biophysics | 
| T | Treonin = (look above) | In Turkish | → Biochemistry, biophysics | 
| T | Треонін = (look above) | In Ukrainian | → Biochemistry, biophysics | 
| T | 蘇氨酸 = (look above) | In Chinese | → Biochemistry, biophysics | 
| T&C | Telemetry and Control | In English | |
| T&C | Terms and Conditions | In English | |
| T&C | Test and Checkout | In English | → Engineering, technology | 
| T&C | Tracking and Communication | In English | |
| T&CD | Timing and Countdown | In English | |
| T&CP | Test and Checkout Procedure | In English | |
| T&D | Transportation and Docking | In English | → Maintenance and logistics → Transport and postal services | 
| T&E | Test and Evaluation | In English | → Quality management | 
| T&F | Time and Frequency | In English | |
| T&M | Taalverwerving & Meertaligheid | In Dutch | |
| T&M | Time and Material | In English | → Quality management | 
| T&O | Test and Operations | In English | |
| T&P | Tracking and Processing | In English | |
| T&QA | Test and Quality Assurance | In English | → Quality management | 
| T-FA | Two-Factor Authentication | In English | → Software → Telecommunications | 
| T2A | Tarification à l'activité | In French | |
| T3SS | Type III Secretion System | In English | → Biological sciences | 
| T@GO | Vereniging voor Technisch Adviseurs & -Coördinators in het Gemeenschapsonderwijs | In Dutch | → Organizations and associations → Education | 
| TA | Task Analysis | In English | |
| TA | Task Assessment | In English | |
| TA | Task Assignment | In English | |
| TA | Task Authorization | In English | |
| TA | Tribunal Administratif | In French | → Law, jurisprudence → Public administration, government | 
| TA | Taxe d'Apprentissage | In French | → Taxes, duties → Labour, labour economics | 
| TAA | Technical Assistance Agreement | In English | → Applied sciences, technology | 
| TAA | Total Army Analysis | In English | → Military affairs | 
| TAAD | Texas Association of Appraisal Districts (www.taad.org) | In English | → Associations → 332 → United States | 
| TAADS | The Army Authorization Documents Systems | In English | → Military affairs | 
| TAAF | Terres Australes et Antarctiques Françaises | In French | → Geography → Antarctica | 
| TAAO | Texas Association of Assessing Officers (www.taao.org) | In English | → Associations → 332 → United States | 
| TAAR | Trace Amine-Associated Receptor | In English | → Biochemistry, biophysics | 
| TAB | Tape Automated Bonding | In English | → Electronics | 
| TAB | Technical Advisory Board | In English | → Applied sciences, technology | 
| TAB | Time After Burst | In English | → Astronautics | 
| TABI | Tailorable Advanced Blanket Insulation | In English | |
| TAC | Traitement Communautaire Assertif = PACT | Program Assertif Community Treatment | In English | In French | → Psychiatry | 
| TAC | Tactical Air Command | In English | → 358 | 
| TAC | Test And Configuration | In English | |
| TAC | Timing and Address Counter | In English | |
| TAC | Total Average Cost | In English | → Prices | 
| TAC | Traceability And Configuration | In English | |
| TAC | TVV Achilles Combinatie | In Dutch | → Organizations and associations → Sport, physical exercises | 
| TAC | Tilburgse Amateur Club | In Dutch | → Organizations and associations → Sport, physical exercises | 
| TAC | TAK Amar Deep Combinatie | In Dutch | → Organizations and associations → Sport, physical exercises | 
| TAC | Total Autorisé de Capture | In French | → Fishing, hunting | 
| TAC | Titre Alcalimétrique Complet | In French | → Chemistry | 
| TAC | Transports Annemassiens Collectifs | In French | → Transport and postal services | 
| TAC | Traditional Anglican Communion | In English | → Organizations and associations → Protestant churches | 
| TAC | Terminal Access Controller | In English | |
| TAC | Type Approval Code | In English | → Telecommunications | 
| TAC | Tribune Anarchiste Communiste | In French | → Serial publications, periodicals → Anarchist organizations → Communist parties | 
| TACA | Taxe d'Aide au Commerce et à l'Artisanat | In French | → 3363 → Trade | 
| TACAN | Tactical Air Control and Navigation | In English | → Aeronautics, aircraft → Transport and postal services | 
| TACAN | Tactical Air Navigation | In English | → Aeronautics, aircraft → Transport and postal services | 
| TACANS | Tactical Air Control And Navigation System | In English | → Aeronautics, aircraft → Transport and postal services | 
| TACC | Tactical Air Control Center | In English | → Aeronautics, aircraft → Transport and postal services | 
| TACCS | Time, Age, and Cycle Control System | In English | |
| TACO | Test and Checkout | In English | → Quality management | 
| TACO | Test and Checkout Operations | In English | → Quality management | 
| TACO | Tomographie Axiale Calculée par Ordinateur | In French | → Diagnostics | 
| TACP | Training And Certification Plan | In English | → Education | 
| TACS | Turkish American Cultural Society of New England (www.tacsne.org) | In English | → Organizations and associations → Civilization, culture, progress → United States | 
| TACSATCOM | Tactical Satellite Communications | In English | → Telecommunications → Military engineering → Astronautics | 
| TAdEN | Tutmonda Agado - Asocio de Esperantistaj Nefumantoj | In Esperanto | → Associations → Personal health and hygiene → Artificial languages (linguistics) | 
| TADS | Trade and Analysis Data System | In English | |
| TAE | Theoretical and Applied Economics | In English | → Economics | 
| TAEM | Terminal Area Energy Management | In English | → Energy economics | 
| TAEMm | Tokyo Metropolitan College Aeronautical Engineering Memoirs | In English | → Serial publications, periodicals → Aeronautics, aircraft | 
| TAF | Truss Assembly Fixture | In English | |
| TAFI | Thrombin Activatable Fibrinolytic Inhibitor | In English | → Biochemistry, biophysics | 
| TAFT | Technical Assistance Field Team | In English | |
| TAG | Trouble Anxieux Généralisé | In French | → Neurology | 
| TAG | Technical Air to Ground | In English | |
| TAG | The Adjutant General | In English | → Military affairs | 
| TAGA | Technical Association of the Graphic Arts | In English | → Associations → Graphic industries, printing, publishing → Graphic arts | 
| TAGE | Tests d'Aptitude à la Gestion des Entreprises | In French | → Management → Economics → Education | 
| TAGO | The Adjutant General's Office | In English | → Military affairs | 
| TAGS | Technology for (the) Automated Generation of Systems | In English | |
| TAGS | Text And Graphics System | In English | |
| TAGS | Thermal Analysis Graphics System | In English | |
| TAGU | Transactions of the American Geophysical Union | In English | → Serial publications, periodicals → Geophysics → United States | 
| TAHD | Torrington Area Health District | In English | → Municipal administration → Medicine | 
| TAHD | Telephone Accessible Holographic Data | In English | → Telecommunications | 
| TAI | Transports Aériens Intercontinentaux | In French | → Transport and postal services | 
| TAIL-PCR | Thermal Asymmetric Interlaced Polymerase Chain Reaction | In English | → Biotechnology → Genetics → Enzymes | 
| TAIM | Traitement Automatique de l'Information Multimédia | In French | → Computer-based techniques | 
| TAIR | Test And Inspection Record | In English | → Records management | 
| TAIR | Test Assembly Inspection Record | In English | → Records management | 
| TAK | Taal Aktie Komitee | In Dutch | |
| TAK | Teyrêbazên Azadîya Kurdistan | In Kurdish | → Political parties and movements | 
| TAKE | Tutamerika Kongreso de Esperanto | In Esperanto | → Congresses → Artificial languages (linguistics) | 
| TAKE | Tutmonda Asocio de Konstruistoj Esperantistaj (http://take.esperanto.free.fr) | In Esperanto | → Associations → Construction → Artificial languages (linguistics) | 
| TAL | Transoceanic Abort Landing | In English | → Astronautics | 
| TAL | Traitement Automatique des Langues | In French | → Language, linguistics, literature | 
| TAL | Transatlantic Abort Landing | In English | → Astronautics | 
| TAL | Transatlantic Landing | In English | → Aeronautics, aircraft → Astronautics | 
| TALAR | Tactical Approach and Landing Radar | In English | → Aeronautics, aircraft → Astronautics | 
| TALN | Traitement Automatique du Langage Naturel | In French | → Computer-based techniques → Linguistics | 
| TALNE | Traitement Automatique du Langage Naturel Écrit | In French | → Computer-based techniques → Linguistics | 
| TALNEO | Traitement Automatique de la Langue Naturelle Écrite et Orale | In French | → Computer-based techniques → Linguistics | 
| TALNO | Traitement Automatique du Langage Naturel Oral | In French | → Computer-based techniques → Linguistics | 
| TALO | Time After Lift-Off | In English | → Astronautics | 
| TALON | Threat and Local Observation Notice | In English | |
| TAM | Thermal Analytical Model | In English | |
| TAMA | Terminology in Advanced Management Applications | In English | → Linguistics | 
| TAMC | Tangent linear and Adjoint Model Compiler (www.autodiff.com/tamc/) | In English | → Computer simulation | 
| TamCo | Astronomical Contributions from the University of South Florida Tampa | In English | → Serial publications, periodicals → Astronomy → United States | 
| TAML | Tetra-Amido Microcyclic Ligand | In English | → Biochemistry, biophysics → Chemical technology | 
| TAMNS | The Army Maintenance Management System | In English | → Maintenance and logistics → Military affairs | 
| TAMS | Trade and Analysis Management System | In English | |
| TAMS | Transient Amplitude Monitor System | In English | |
| TAMS | Transactions of the American Mathematical Society | In English | → Serial publications, periodicals → Mathematics → United States | 
| TAN | Transaction Authentication Number | In English | → Trade | 
| TAN | Test d'amplification des Acides Nucléiques = PCR | Polymerase Chain Reaction | In English = ACP | Amplification en Chaîne par Polymérase | In French = RCP | Reação em Cadeia da Polimerase | In Portuguese = ПЦР | Полимера́зная Цепна́я Реа́кция | In Russian = PĈR | Polimeraza Ĉen-Reakcio | In Esperanto = PZR | Polimeraz Zəncir Reaksiyası | In Azerbaijani = ՊՇՌ | Պոլիմերազային շղթայական ռեակցիան | In Armenian = PGR | Polimerazinė Grandininė Reakcija | In Lithuanian = ПГУ | Полимеразын Гинжин Урвал | In Mongolian = ПЛР | Полімеразна Ланцюгова Реакція | In Ukrainian | In French | → Biotechnology → Genetics → Enzymes | 
| TANAP | Towards a New Age of Partnership | In English | |
| TAO | Therapeuten Ausbildungsorganisation | In English | → Education → Medicine | 
| TAO | Tropical Atmosphere Ocean Project (www.pmel.noaa.gov/tao/) | In English | → Meteorology, climatology → Marine research, oceanography | 
| TAO | Traduction Automatique par Ordinateur | In French | → Translation → Computer science | 
| TAP | Tandem Affinity Purification | In English | → Biochemistry, biophysics | 
| TAP | Technical Achievement Plan | In English | |
| TAP | Technical Assistance Plan | In English | |
| TAP | Telemetry Acceptance Pattern | In English | → Quality management → Geodesy, cartography | 
| TAP | Test Administration Plan | In English | |
| TAP | Total Air Pressure | In English | |
| TAP | Transition Assistance Program | In English | |
| TAP | Test Access Port | In English | → Electronics | 
| TAPhA | Transactions and Proceedings of the American Philological Association | In English | → Serial publications, periodicals → Philology → United States | 
| TAPIR | Transformateur d'Alimentation Provisoire Intégré sur Remorque | In French | → Electrical engineering → Food technology | 
| TApPh | Topics in Applied Physics | In English | → Serial publications, periodicals → Physics | 
| TAPPI | Technical Association of Pulp and Paper Industry | In English | → Associations → Paper and board industry | 
| TAPS | Transactions of the American Philosophical Society | In English | → Serial publications, periodicals → Philosophy, psychology → United States | 
| TAPSA | Transition Agroécologique Paysanne pour la Souveraineté Alimentaire | In French | → Development → Agricultural sciences → Environmental protection | 
| TAQ | Terminus Ante Quem | In Latin | → Archeology → History | 
| TAR | Thin Air Rescue | In English | → Medicine | 
| TAR | Tribunale Amministrativo Regionale | In Italian | → Law, jurisprudence → Public administration, government | 
| TAR | Technical Analysis Request | In English | |
| TAR | Test Action Requirement | In English | |
| TAR | Test Agency Report | In English | |
| TAR | Tot Achilles' Roem | In Dutch | → Organizations and associations → Sport, physical exercises | 
| TARA | Torrance Amateur Radio Association | In English | → Associations → Telecommunications | 
| TARC | Through-Axis Rotational Control | In English | |
| TARE | Telemetry Automatic Reduction | In English | |
| TARG | Téléchargement des Applications Réseau Gaz | In French | → Computer science → Energy economics | 
| TARM | Test di Accertamento dei Requisiti Minimi | In Italian | → Higher education, universities | 
| TARS | Three-Axis Reference System | In English |