

| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| F | Fahrenheit | In English | |
| F | Farad | In English | |
| F | Phenylalanine = F | فينيلألانين | In Arabic = F | Фенилаланин | In Bulgarian = F | Fenilalanina | In Catalan = F | Fenylalanin | In Czech = F | Fenylalanin | In Danish = F | Phenylalanin | In German = F | Fenilalanina | In Spanish = F | Fenilalanino | In Esperanto = F | Phénylalanine | In French = F | 페닐알라닌 | In Korean = F | Fenilalanin | In Croatian = F | Fenilalanin | In Indonesian = F | Fenilalanina | In Italian = F | פנילאלנין | In Hebrew = F | Fenilalanīns | In Latvian = F | Phenylalanin | In Letzeburgesh = F | Fenilalaninas | In Lithuanian = F | Fenilalanin | In Hungarian = F | Fenylalanine | In Dutch = F | フェニルアラニン | In Japanese = F | Fenylalanin | In Norwegian = F | Fenyloalanina | In Polish = F | Fenilalanina | In Portuguese = F | Фенилаланин | In Russian = F | Фенилаланин | In Serbian = F | Fenyylialaniini | In Finnish = F | Fenylalanin | In Swedish = F | Fenilalanin | In Turkish = F | Фенілаланін | In Ukrainian = F | 苯丙氨酸 | In Chinese | In English | → Biochemistry, biophysics | 
| F | فينيلألانين = (look above) | In Arabic | → Biochemistry, biophysics | 
| F | Фенилаланин = (look above) | In Bulgarian | → Biochemistry, biophysics | 
| F | Fenilalanina = (look above) | In Catalan | → Biochemistry, biophysics | 
| F | Fenylalanin = (look above) | In Czech | → Biochemistry, biophysics | 
| F | Fenylalanin = (look above) | In Danish | → Biochemistry, biophysics | 
| F | Phenylalanin = (look above) | In German | → Biochemistry, biophysics | 
| F | Fenilalanina = (look above) | In Spanish | → Biochemistry, biophysics | 
| F | Fenilalanino = (look above) | In Esperanto | → Biochemistry, biophysics | 
| F | Phénylalanine = (look above) | In French | → Biochemistry, biophysics | 
| F | 페닐알라닌 = (look above) | In Korean | → Biochemistry, biophysics | 
| F | Fenilalanin = (look above) | In Croatian | → Biochemistry, biophysics | 
| F | Fenilalanin = (look above) | In Indonesian | → Biochemistry, biophysics | 
| F | Fenilalanina = (look above) | In Italian | → Biochemistry, biophysics | 
| F | פנילאלנין = (look above) | In Hebrew | → Biochemistry, biophysics | 
| F | Fenilalanīns = (look above) | In Latvian | → Biochemistry, biophysics | 
| F | Phenylalanin = (look above) | In Letzeburgesh | → Biochemistry, biophysics | 
| F | Fenilalaninas = (look above) | In Lithuanian | → Biochemistry, biophysics | 
| F | Fenilalanin = (look above) | In Hungarian | → Biochemistry, biophysics | 
| F | Fenylalanine = (look above) | In Dutch | → Biochemistry, biophysics | 
| F | フェニルアラニン = (look above) | In Japanese | → Biochemistry, biophysics | 
| F | Fenylalanin = (look above) | In Norwegian | → Biochemistry, biophysics | 
| F | Fenyloalanina = (look above) | In Polish | → Biochemistry, biophysics | 
| F | Fenilalanina = (look above) | In Portuguese | → Biochemistry, biophysics | 
| F | Фенилаланин = (look above) | In Russian | → Biochemistry, biophysics | 
| F | Фенилаланин = (look above) | In Serbian | → Biochemistry, biophysics | 
| F | Fenyylialaniini = (look above) | In Finnish | → Biochemistry, biophysics | 
| F | Fenylalanin = (look above) | In Swedish | → Biochemistry, biophysics | 
| F | Fenilalanin = (look above) | In Turkish | → Biochemistry, biophysics | 
| F | Фенілаланін = (look above) | In Ukrainian | → Biochemistry, biophysics | 
| F | 苯丙氨酸 = (look above) | In Chinese | → Biochemistry, biophysics | 
| F | Fluor = F | Fluoor | In Afrikaans = F | فلور | In Arabic = F | Flúor | In Asturian = F | Flüor | In Azerbaijani = F | ফ্লুরিন | In Bengali = F | Fluor | In Bosnian = F | Fluor | In Catalan = F | Fluoru | In Corsican = F | Fluor | In Czech = F | Фтор | In Chuvash = F | Fflworin | In Welsh = F | Fluor | In Danish = F | Fluor | In German = F | Φθόριο | In Greek = F | Fluorine | In English = F | Fluoro | In Esperanto = F | Flúor | In Spanish = F | Fluor | In Estonian = F | Fluor | In Basque = F | فلوئور | In Persian = F | Fluori | In Finnish = F | Flúor | In Galician = F | פלואור | In Hebrew = F | फ्लोरिन | In Hindi = F | Fluor | In Croatian = F | Fliyò | In Haitian Creole = F | Fluor | In Hungarian = F | Ֆտոր | In Armenian = F | Fluor | In Indonesian = F | Fluoro | In Ido = F | Flúor | In Icelandic = F | Fluoro | In Italian = F | フッ素 | In Japanese = F | li'orkliru | In Lojban = F | 플루오린 | In Korean = F | Fluor | In Kurdish = F | Fluor | In Latin = F | Fluor | In Letzeburgesh = F | Fluoras | In Lithuanian = F | Fluors | In Latvian = F | Hau kōwhai | In Māori = F | Флуор | In Macedonian = F | ഫ്ലൂറിന് | In Malayalam = F | फ्लोरिन | In Marathi = F | Fluor | In Dutch = F | Fluor | In Nynorsk = F | Fluor | In Norwegian = F | Fluore | NOV = F | Fluor | In Occitan = F | Fluor | In Polish = F | Flúor | In Portuguese = F | Flur | In Quechua = F | Fluor | In Romanian = F | Фтор | In Russian = F | Fluoru | In Sicilian = F | Fluor | In Serbo-Croatian = F | Fluór | In Slovak = F | Fluor | In Slovenian = F | Флуор | In Serbian = F | Fluor | In Swedish = F | Florini | In Swahili = F | ஃவுளூரின் | In Tamil = F | Фтор | In Tajik = F | ฟลูออรีน | In Thai = F | Flor | In Turkish = F | Флуор | In Ukrainian = F | Ftor | In Uzbek = F | Flo | In Vietnamese = F | 氟 | In Chinese | In French | → Chemistry | 
| F | Fluoor = (look above) | In Afrikaans | → Chemistry | 
| F | فلور = (look above) | In Arabic | → Chemistry | 
| F | Flúor = (look above) | In Asturian | → Chemistry | 
| F | Flüor = (look above) | In Azerbaijani | → Chemistry | 
| F | ফ্লুরিন = (look above) | In Bengali | → Chemistry | 
| F | Fluor = (look above) | In Bosnian | → Chemistry | 
| F | Fluor = (look above) | In Catalan | → Chemistry | 
| F | Fluoru = (look above) | In Corsican | → Chemistry | 
| F | Fluor = (look above) | In Czech | → Chemistry | 
| F | Фтор = (look above) | In Chuvash | → Chemistry | 
| F | Fflworin = (look above) | In Welsh | → Chemistry | 
| F | Fluor = (look above) | In Danish | → Chemistry | 
| F | Fluor = (look above) | In German | → Chemistry | 
| F | Φθόριο = (look above) | In Greek | → Chemistry | 
| F | Fluorine = (look above) | In English | → Chemistry | 
| F | Fluoro = (look above) | In Esperanto | → Chemistry | 
| F | Flúor = (look above) | In Spanish | → Chemistry | 
| F | Fluor = (look above) | In Estonian | → Chemistry | 
| F | Fluor = (look above) | In Basque | → Chemistry | 
| F | فلوئور = (look above) | In Persian | → Chemistry | 
| F | Fluori = (look above) | In Finnish | → Chemistry | 
| F | Flúor = (look above) | In Galician | → Chemistry | 
| F | פלואור = (look above) | In Hebrew | → Chemistry | 
| F | फ्लोरिन = (look above) | In Hindi | → Chemistry | 
| F | Fluor = (look above) | In Croatian | → Chemistry | 
| F | Fliyò = (look above) | In Haitian Creole | → Chemistry | 
| F | Fluor = (look above) | In Hungarian | → Chemistry | 
| F | Ֆտոր = (look above) | In Armenian | → Chemistry | 
| F | Fluor = (look above) | In Indonesian | → Chemistry | 
| F | Fluoro = (look above) | In Ido | → Chemistry | 
| F | Flúor = (look above) | In Icelandic | → Chemistry | 
| F | Fluoro = (look above) | In Italian | → Chemistry | 
| F | フッ素 = (look above) | In Japanese | → Chemistry | 
| F | li'orkliru = (look above) | In Lojban | → Chemistry | 
| F | 플루오린 = (look above) | In Korean | → Chemistry | 
| F | Fluor = (look above) | In Kurdish | → Chemistry | 
| F | Fluor = (look above) | In Latin | → Chemistry | 
| F | Fluor = (look above) | In Letzeburgesh | → Chemistry | 
| F | Fluoras = (look above) | In Lithuanian | → Chemistry | 
| F | Fluors = (look above) | In Latvian | → Chemistry | 
| F | Hau kōwhai = (look above) | In Māori | → Chemistry | 
| F | Флуор = (look above) | In Macedonian | → Chemistry | 
| F | ഫ്ലൂറിന് = (look above) | In Malayalam | → Chemistry | 
| F | फ्लोरिन = (look above) | In Marathi | → Chemistry | 
| F | Fluor = (look above) | In Dutch | → Chemistry | 
| F | Fluor = (look above) | In Nynorsk | → Chemistry | 
| F | Fluor = (look above) | In Norwegian | → Chemistry | 
| F | Fluore = (look above) | [NOV] | → Chemistry | 
| F | Fluor = (look above) | In Occitan | → Chemistry | 
| F | Fluor = (look above) | In Polish | → Chemistry | 
| F | Flúor = (look above) | In Portuguese | → Chemistry | 
| F | Flur = (look above) | In Quechua | → Chemistry | 
| F | Fluor = (look above) | In Romanian | → Chemistry | 
| F | Фтор = (look above) | In Russian | → Chemistry | 
| F | Fluoru = (look above) | In Sicilian | → Chemistry | 
| F | Fluor = (look above) | In Serbo-Croatian | → Chemistry | 
| F | Fluór = (look above) | In Slovak | → Chemistry | 
| F | Fluor = (look above) | In Slovenian | → Chemistry | 
| F | Флуор = (look above) | In Serbian | → Chemistry | 
| F | Fluor = (look above) | In Swedish | → Chemistry | 
| F | Florini = (look above) | In Swahili | → Chemistry | 
| F | ஃவுளூரின் = (look above) | In Tamil | → Chemistry | 
| F | Фтор = (look above) | In Tajik | → Chemistry | 
| F | ฟลูออรีน = (look above) | In Thai | → Chemistry | 
| F | Flor = (look above) | In Turkish | → Chemistry | 
| F | Флуор = (look above) | In Ukrainian | → Chemistry | 
| F | Ftor = (look above) | In Uzbek | → Chemistry | 
| F | Flo = (look above) | In Vietnamese | → Chemistry | 
| F | 氟 = (look above) | In Chinese | → Chemistry | 
| F | Frankrijk | In Dutch | → Geography | 
| F&A | Fabrication and Assembly | In English | |
| F&A | Finance & Accounting | In English | → Finance → Accounting | 
| F&CRe | Flower and Cook Observatory Reprints | In English | → Serial publications, periodicals → Astronomy | 
| F&D | Fill and Drain | In English | |
| F&E | Facility and Environment | In English | |
| F&E | Forschung und Entwicklung = R&D | Recherche et développement | In French = R&D | Research and Development | In English = I+D | Investigación y Desarrollo | In Spanish = R&S | Ricerca e Sviluppo | In Italian = P&D | Pesquisa e Desenvolvimento | In Portuguese = O&O | Onderzoek en Ontwikkeling | In Dutch = FoU | Forsøk og Utvikling | In Norwegian | In German | → Research policy → Engineering, technology | 
| F&I | Forschung im Ingenieurwesen | In German | → Serial publications, periodicals → Engineering, technology | 
| F&IE | Facilities and Industrial Engineering | In English | → Engineering, technology | 
| F&M | Force and Moment | In English | → Physics | 
| F&M | Feinwerktechnik und Messtechnik | In German | → Serial publications, periodicals → Applied sciences, technology | 
| F&P | Fluids and Propulsion | In English | |
| F&PC | Finance and Program Control | In English | → Economics | 
| F2I | France Intelligence Innovation | In French | → France | 
| F3C-CFDT | Fédération Communication, Conseil, Culture - Confédération Française Démocratique du | In French | → Organizations and associations → Labour, labour economics → 659 → Cinema, movies → France | 
| FA | Faka Asocio | In Esperanto | → Organizations and associations | 
| FA | Fundamenta Alfabeto | In Esperanto | → Writing systems | 
| FA | Freiheitliche Akademie (www.freiheitliche-akademie.at) | In German | → Academies → Political parties and movements → Austria | 
| FA | Friedreich'sche Ataxie | In German | → Medicine | 
| FA | Fédération Anarchiste (www.federation-anarchiste.org) | In French | → Organizations and associations → Anarchist organizations | 
| FA | Fédération des Artisans | In French | → Organizations and associations → Economic policy | 
| FA | Faible Activité | In French | → Nuclear technology | 
| FA | Fourgon d'Appui | In French | → Automobile manufacturing → Firefighting | 
| FA/COSI | Final Assembly/Closeout Systems Installation | In English | |
| FAA | False Alarm Avoidance | In English | |
| FAA | Federal Aviation Administration (www.faa.gov) | In English | → Central administration → Aeronautics, aircraft → Transport and postal services | 
| FAA | Fréquence Analogique d'Alerte | In French | → Telecommunications → Firefighting | 
| FAA | Fresno Adventist Academy (www.faa.org) | In English | → Education | 
| FAA | Federation of Australian Astrologers (www.faainc.org.au) | In English | → Organizations and associations → Australia | 
| FAA | Florida Archery Association | In English | → Associations → Sport, physical exercises | 
| FAA | Forces Armées aux Antilles | In French | → Military affairs | 
| FAAD | Forward Area Air Defense | In English | → Military affairs | 
| FAAp | Functional Analysis and Its Applications | In English | → Serial publications, periodicals → Analysis | 
| FAB | Flight Assignment Baseline | In English | → Aeronautics, aircraft | 
| FAB | Fragment Antigen Binding | In English | → Biochemistry, biophysics | 
| FABA | Florida Antiquarian Booksellers' Association (http://floridabooksellers.com) | In English | → Associations → Trade → Graphic industries, printing, publishing → United States | 
| FABADEF | Fédération des Associations de Bibliothécaires, Archivistes, Documentalistes des États membres du Sommet Francophone | In French | → Organizations and associations → Associations → Libraries → Documentation | 
| FABIR | Fédération des Associations Belges d'Insuffisants Rénaux | In French | → Associations → Urology → Belgium | 
| FABLE | Fast Automated Biomedical Literature Extraction | In French | → Libraries → Biological sciences → Biotechnology → Medicine | 
| FABU | Fuel Additive Blender Unit | In English | |
| FAC | Comitato Nazionale per la Diffusione del Film d'Arte e di Cultura | In Italian | → Organizations and associations → Cinema, movies → Italia | 
| FAC | Fonds Académique de Compensation | In French | → Finance → Education | 
| FAC | Fonds d'Action Culturelle | In French | → Finance → Civilization, culture, progress | 
| FAC | Fédération Anarchiste du Centre | In French | → Organizations and associations → Anarchist organizations → France | 
| FAC | Formation et Action Citoyennes (www.la-fac.org) | In French | → Organizations and associations → Education → Politics | 
| FAC | Fichier des Acteurs de la Communication | In French | → Advertising → Public relations | 
| FAC | Fédération des Associations Corses | In French | → Organizations and associations → Associations | 
| FACC | Ford Aerospace and Communications Corporation | In English | → Aeronautics, aircraft → Astronautics → Telecommunications | 
| FACE | Fonds d'Amortissement des Charges d'Électrification | In French | → Electrical engineering | 
| FACE | Fondation Agir Contre l'Exclusion (www.fondationface.org) | In French | → Foundations → Public administration, government | 
| FACE | Fonds d'Amortissement des Charges d'Électrification | In French | → Electrical engineering | 
| FACI | First-Article Configuration Inspection | In English | |
| FACM | Functiones et Approximatio, Commentarii Mathematici | In Latin | → Serial publications, periodicals → Mathematics | 
| FACM | Fédération Anarchiste Communiste du Midi | In French | → Organizations and associations → Anarchist organizations → Communist parties → France | 
| FACO | Fabrication and Acceptance Checkout | In English | → Quality management → Engineering, technology | 
| FACO | Factory Acceptance Checkout | In English | → Quality management → Engineering, technology | 
| FACO | Factory Assembly and Checkout | In English | → Engineering, technology | 
| FACO | Final Assembly Checkout | In English | → Engineering, technology | 
| FACO | Fédération Anarchiste-Communiste d'Occitanie | In French | → Organizations and associations → Anarchist organizations → Communist parties → France | 
| FACR | First-Article Configuration Review | In English | |
| FACS | Finance and Control System | In English | → Economics | 
| FACT | First-Address Control Table | In English | |
| FACT | Flexible Automatic Circuit Tester | In English | |
| FACT | Flight Acceptance Composite Test | In English | → Quality management → Aeronautics, aircraft → Astronautics | 
| FACT | Fountain Valley Amateur Communications Team | In English | → Organizations and associations → Telecommunications | 
| FACTS | FDF Automated Control and Tracking System | In English | |
| FAD | Final Approach Display | In English | |
| FAD | Flight Assessment Delta | In English | → Aeronautics, aircraft | 
| FADBEN | Fédération des associations des enseignants-documentalistes de l'Éducation nationale | In French | → Associations → Libraries → Education | 
| FADIP | Fonds d'Aménagement et de Développement des Îles de Polynésie française | In French | → Finance → Development | 
| FAE | Final Approach Equipment | In English | |
| FAE | Formation d'Adaptation à l'Emploi | In French | → Education → Labour, labour economics | 
| FAED | Fichier Automatisé des Empreintes Digitales | In French | → Files → Police | 
| FAEM | Fonds d'Aide à l'Édition Multimédia | In French | → Computer science → Arts | 
| FAEN | Fundación Asturiana de la Energía | In Spanish | → Foundations → Energy economics | 
| FAF | Final Assembly Fixture | In English | |
| FAF | First Aerodynamic Flight | In English | → Aeronautics, aircraft → Astronautics | 
| FAF | Fonds d'Assurance Formation | In French | → Finance → Education | 
| FAFA | Forum de la Société Civile Franco-Allemande | In French | → Organizations and associations → International relations | 
| FAFEA | Fonds d'Assurance Formation des Exploitants Agricoles | In French | → Finance → Education → Agricultural sciences | 
| FAFL | Forces Aériennes Françaises Libres | In French | → 358 → History → France | 
| FAFS | Falcon Air Force Station | In English | → 358 → Aeronautics, aircraft → United States | 
| FAH | Fumarylacetoacetate Hydrolase | In English | → Biochemistry, biophysics | 
| FAH | Facteur Anti-Hémophilique | In French | → Biochemistry, biophysics → Pharmacology, toxicology | 
| FAH | Fournisseurs d'Applications Hébergées | In French | → Software | 
| FAI | Fournisseur d'Accès à Internet | In French | → Internet → Telecommunications | 
| FAI | Fédération Anarchiste Ibérique | In French | → Organizations and associations → Anarchist organizations → Spain | 
| FAIDS | Feline Acquired Immune Deficiency Syndrome | In English | → Immunology and allergy → Veterinary medicine | 
| FAIL | Fonds d'Aide aux Impayés de Loyer | In French | → Finance → Accommodation | 
| FAIR | Fabrication, Assembly, and Inspection Record | In English | → Records management | 
| FAIR | Fly-Along Infrared | In English | |
| FAJ | Federatie Antilliaanse Jeugdzorg (www.faj.an) | In Dutch | → Organizations and associations | 
| FAJ | Fonds d'Aide aux Jeunes | In French | → Finance | 
| FAK | Flink Aanpakken Kameraden | In Dutch | → Organizations and associations → Sport, physical exercises | 
| FAL | Facility Area Layout | In English | |
| FAL | First Approach and Landing | In English | → Aeronautics, aircraft → Astronautics | 
| FAL | Fédération des Anarchistes Liégeois | In French | → Organizations and associations → Anarchist organizations → Belgium |