

| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| ECTEL | European Telecommunications and Professional Electronics Industry | In English | → Electronics → Telecommunications | 
| ECTP | European Construction Technology Platform | In English | → Organizations and associations → Construction | 
| ECTRA | European Committee for Telecommunications Regulatory Affairs | In English | → Organizations and associations → Telecommunications | 
| ECTRI | European Conference of Transport Research Institutes | In English | → Congresses → Transport and postal services → Europe | 
| ECU | Edith Cowan University | In English | → Higher education, universities | 
| ECU | East Carolina University (www.ecu.edu) | In English | → Higher education, universities → United States | 
| ECU | Engine Control Unit | In English | → Vehicle engineering | 
| ECU | European Chess Union | In English | → Organizations and associations → Entertainment | 
| ECU | European Currency Unit | In English | → Finance → Europe | 
| ECU | Electrical Control Unit | In English | → Electrical engineering | 
| ECU | Electrical Conversion Unit | In English | → Electrical engineering | 
| ECU | Electronic Coupling Unit | In English | → Electronics | 
| ECU | Environmental Control Unit | In English | |
| ECURIE | European Community Urgent Radiological Information Exchange | In English | → Nuclear technology → European Union → Europe | 
| ECVIM-CA | European College of Veterinary Internal Medicine - Companion Animals | In English | → Organizations and associations → Veterinary medicine | 
| ED | Engineering DIrectorate | In English | → Engineering, technology | 
| ED | Engineering Division | In English | → Engineering, technology | 
| ED | Engineering Directive | In English | → Engineering, technology | 
| ED | Explosive Device | In English | |
| EDA | Electronic Display Assembly | In English | → Human-computer interaction → Electronics | 
| EDA | Elevation Drive Assembly | In English | |
| EDAAA | Office of Equality, Diversity and Affirmative Action Administration | In English | → Public administration, government | 
| EDAC | Error Detection And Correction | In English | |
| EDB | Economic Development Board | In English | → 33898 | 
| EDB | Environmental Data Book | In English | |
| EDC | EROS Data Center | In English | → Data | 
| EDC | European Defence Community = EVG | Europäische Verteidigungsgemeinschaft | In German = CED | Communauté Européenne de Défense | In French = CED | Comunità Europea di Difesa | In Italian = EDG | Europese Defensie Gemeenschap | In Dutch = EWO | Europejska Wspólnota Obronna | In Polish = CED | Comunidade Europeia de Defesa | In Portuguese | In English | → European Union → Military affairs | 
| EDC | Engineering Data Center | In English | → Knowledge management → Engineering, technology | 
| EDC | Engineering Design Change | In English | → Engineering, technology | 
| EDC | EUROLAS Data Center | In English | → Data → Astronautics → Geodesy, cartography | 
| EDCAS | Equipment Designer's Cost Analysis System | In English | → Prices | 
| EDCC | Engineering Drawing Control Center | In English | → Engineering, technology | 
| EDCP | Engineering Design Change Proposal | In English | → Engineering, technology | 
| EDCS | Electrical Distribution and Control System | In English | → Electrical engineering | 
| EDCTP | European and Developing Countries Clinical Trials Programme | In English | → Pharmacology, toxicology | 
| EdD | Doctor of Education | In English | → Higher education, universities → Psychology | 
| EDDF | Error Detection and Decision Feedback | In English | |
| EDDL | Electronic Device Description Language | In English | → Computer architecture → Computer hardware → Electronics | 
| EDDR | Electron Dipole-Dipole Reservoir | In English | |
| EDE | Europe Democracy Esperanto (http://http://e-d-e.org/) = EDE | Europe Démocratie Espéranto | In French = EDE | Eŭropo Demokratio Esperanto | In Esperanto = EDE | Europa Demokratie Esperanto | In German = EDE | Europa Democrazia Esperanto | In Italian = ΕΔΕ | Ευρώπη Δημοκρατία Εσπεράντο | In Greek = EDE | Europa Democracia Esperanto | In Spanish = EDE | Europa Demokracija Esperanto | In Croatian = EDE | Europa Democratie Esperanto | In Dutch = EDE | Európa Demokrácia Eszperantó | In Hungarian = EDE | Europa Demokratija Esperanto | In Lithuanian = EDE | Europa Demokracja Esperanto | In Polish = EDE | Europa Demokrati Esperanto | In Swedish = EDE | Europa Democràcia Esperanto | In Catalan = EDE | Eurooppa Demokratia Esperanto | In Finnish = EDE | Euròpa Democracia Esperanto | In Occitan = EDE | Europa Democracia Esperanto | In Portuguese | In English | → Political parties and movements → Artificial languages (linguistics) → Europe | 
| EDF | European Development Fund = EUF | Den Europæiske Udviklingsfond | In Danish = ЄФР | Європейський фонд розвитку | In Ukrainian | In English | → Financial markets → Development | 
| EDF | European Data Format | In English | → Biochemistry, biophysics | 
| EDF | Engineering Data File | In English | → Files → Data → Engineering, technology | 
| EDF | Equatoria Defense Force | In English | → Military affairs | 
| EDFA | Erbium Dopped Fiber Amplifier | In English | → Telecommunications | 
| EDFI | European Development Finance Institution | In English | |
| EDGE | Enhanced Data Rates for GSM Evolution | In English | → Telecommunications | 
| EDHF | Endothelium-derived Hyperpolarizing Factor | In English | → Biological sciences | 
| EDI | Electronic Data Interchange | In English | → Data → Networks, communication | 
| EDI | Electronic Data Interfacing | In English | |
| EDIF | Electronic Design Interchange Format | In English | → Data → Electronics | 
| EDIFACT | Electronic Data Interchange for Administration, Commerce and Trade | In English | → Data → Networks, communication → Trade → Public administration, government | 
| EDIMA | European Digital Media Association (www.europeandigitalmediaassociation.org) | In English | → Associations → Newspapers, journalism → Cinema, movies → Europe | 
| EDIS | Environmental Data and Information Service | In English | → Libraries → Environmental protection → Threats to the environment | 
| EDITORIA | Earth observation Data InTegration and fusiOn Research InitiAtive (www.editoria.u-tokyo.ac.jp) | In English | → Data → Earth sciences → Japan | 
| EDIV | Engineering Design Intent Verification | In English | → Engineering, technology | 
| EDL | European Day of Languages | In English | → Language, linguistics, literature | 
| EDL | Engineering Development Laboratory | In English | → Research institutes → Engineering, technology | 
| EDLN | Engineering Development Logic Network | In English | → Engineering, technology | 
| EDLS | Engineering Drawing Library System | In English | → Engineering, technology | 
| EDM | Entity Data Model | In English | → Data | 
| EDM | Electronic Document Management = GED | Gestion Électronique des Documents | In French = GED | Gerenciamento Eletrônico de Documentos | In Portuguese = GED | Gestão Electrónica de Documentos | In Portuguese | In English | → Document processing → Knowledge management → Libraries | 
| EDM | Electrical Discharge Machining | In English | → Electrical engineering | 
| EDM | Engineering Development Model | In English | → Engineering, technology | 
| EDMA | European Diagnostic Manufacturers Association | In English | → Associations → Diagnostics | 
| EDMS | Electronic Document Management Systems | In English | → Document processing → Knowledge management → Libraries | 
| EDMS | Electronic Data Management System | In English | → Data | 
| EDO | Extended Duration Orbiter | In English | → Astronautics | 
| EDO | Extended-Duration Orbiter | In English | → Astronautics | 
| EDO | Extended Data Out | In English | → Memories | 
| EDOMP | Extended Duration Orbiter Medical Project | In English | → Medicine → Astronautics | 
| EDP | Electronic Data Processing | In English | → Data processing | 
| EDP | Embedded Data Processor | In English | → Computer hardware → Data | 
| EDPC | Electronic Data Processing Center | In English | → Data processing | 
| EDPE | Electronic Data Processing Equipment | In English | → Computer hardware → Data processing | 
| EDPL | Engineering Development Processor Laboratory | In English | → Computer hardware | 
| EDPM | Electronic Data Processing Machine | In English | → Computer hardware → Data processing | 
| EDQM | European Directory for Quality of Medecine | In English | → Libraries → Medicine | 
| EDR | Engineering Design Review | In English | → Engineering, technology | 
| EDRA | Environmental Design Research Association (www.edra.org) | In English | → Associations → Environmental science | 
| EDRI | European Digital Rights | In English | → Computer science → Artistic property → Europe | 
| EDRI | European Digital Repository Infrastructure | In English | → Bibliography → Libraries → Europe | 
| EDRS | European Data Relay Satellite | In English | → Data → Astronautics → Telecommunications | 
| EDS | Electronic Data Systems | In English | → Data → Knowledge management | 
| EDS | Electrical Distribution System | In English | → Electrical engineering | 
| EDS | Emergency Detection System | In English | |
| EDS | Engineering Data System | In English | → Engineering, technology | 
| EDS | Engineering Design System | In English | → Engineering, technology | 
| EDS | Engineering Development Schedule | In English | → Engineering, technology | 
| EDS | Executive Data Base System | In English | → Knowledge management | 
| EDS | Explosive Device System | In English | |
| EDSC | Early Deployment System Concept | In English | |
| EDSIEC | Edo State Independent Electoral Commission | In English | → Elections | 
| EDT | Eastern Daylight Time | In English | |
| EDT | Electronic Theodolite System | In English | |
| EDT | Engineering Design Team | In English | → Engineering, technology | 
| EDT | Estelle Development Toolset | In English | → Programming languages | 
| EDTA | Ethylene-Diamine-Tetraacetic Acid | In English | |
| EDTS | Electronic Data Transfer System | In English | → Data → Networks, communication | 
| EDV | Electric Depressurization Valve | In English | |
| EDV | Electronic Depressurizing Valve | In English | |
| EDZ | Excavated Damaged Zone | In English | |
| EE | Environmental Engineering | In English | |
| EE | Electrical Engineering | In English | → Electrical engineering | 
| EE | Empire Earth | In English | → Software → Entertainment | 
| EE | Emergency Engineering | In English | |
| EE | End Effector | In English | |
| EE | Experimental Evaluation | In English | |
| EEA | European Environment Agency (www.eea.europa.eu) | In English | → Public administration, government → Environmental protection → European Union → Europe | 
| EEA | European Economic Association | In English | → Associations → Economics | 
| EEA | European Economic Area = EEE | Espace Économique Européen | In French = EWR | Europäischer Wirtschaftsraum | In German = ЕИЗ | Европейска икономическа зона | In Bulgarian = EHP | Evropský hospodářský prostor | In Czech = EØS | Europæisk Økonomisk Samarbejdsområde | In Danish = EEA | Eŭropa Ekonomia Areo | In Esperanto = ΕΟΖ | Ευρωπαϊκή Οικονομική Ζώνη | In Greek = EES | Evrópska efnahagssvæðið | In Icelandic = SEE | Spazio Economico Europeo | In Italian = EES | Europeiska Ekonomiska Samarbetsområdet | In Swedish = EWR | Europäesche Wirtschaftsraum | In Letzeburgesh = EGT | Európai Gazdasági Térség | In Hungarian = EER | Europese Economische Ruimte | In Dutch = EEA | 欧州経済領域 | In Japanese = EØS | Det europeiske økonomiske samarbeidsområde | In Norwegian = EØS | Det Europeiske Økonomiske Samarbeidsområdet | In Nynorsk = EOG | Europejski Obszar Gospodarczy | In Polish = EEE | Espaço Económico Europeu | In Portuguese = ЕЭЗ | Европейская экономическая зона | In Russian = EHP | Európsky hospodársky priestor | In Slovak = ЕЕП | Европски економски простор | In Serbian = ETA | Euroopan talousalue | In Finnish | In English | → Economics → European Union | 
| EEA | Energy Efficiency Agency | In English | → Energy economics | 
| EEA | European Environmental Agency | In English | → Organizations and associations → 5023 → Threats to the environment → International economic cooperation | 
| EEAU | East Asia Analytical Unit | In English | → Area studies | 
| EEC | European Economic Community = CEE | Comunitat Econòmica Europea | In Catalan = EEZ | Europska ekonomska zajednica | In Croatian = CEE | Comunidad Económica Europea | In Spanish = CEE | Communauté Économique Européenne | In French = EEG | Europese Economische Gemêenschap | In Vlaams = EHS | Evropské hospodářské společenství | In Czech = ЕИО | Европейската икономическа общност | In Bulgarian = CEE | Comunidade Económica Europea | In Galician = EEE | Europako Ekonomia Erkidegoa | In Basque = EWG | Europäische Wirtschaftsgemeinschaft | In German = CEE | Comunità Economica Europea | In Italian = EBE | Efnahagsbandalag Evrópu | In Icelandic = EEB | Europos Ekonominė Bendrija | In Lithuanian = CEE | Comunitatea Economică Europeană | In Romanian = CEE | Comunidade Económica Europeia | In Portuguese = CEE | Comunautat Economica Europèa | In Occitan = ЄЕС | Європейська економічна спільнота | In Ukrainian = AET | Avrupa Ekonomik Topluluğu | In Turkish = EEG | Europeiska ekonomiska gemenskapen | In Swedish = ETY | Euroopan talousyhteisö | In Finnish = EEG | Europese Economische Gemeenschap | In Dutch = GEE | Gymuned Economaidd Ewropeaidd | In Welsh | In English | → International relations → European Union | 
| EECA | European Electronic Component Manufacturers Association | In English | → Associations → Electronics | 
| EED | Electroexplosive Device | In English | |
| EEE | Econometrics and Empirical Economics | In English | → Economics | 
| EEE | Electronic, Electrical, and Electromechanical | In English | → Mechanical engineering → Electrical engineering → Electronics | 
| EEEU | End Effector Electronics Unit | In English | → Electronics | 
| EEG | Energy Economics Group | In English | → Organizations and associations → Energy economics | 
| EEG | Electroencephalography | In English | → Neurology | 
| EEG | Electroencephalogram | In English | |
| EEH | EMU Electrical Harness | In English | |
| EEI | Edison Electrical Institute (www.eei.org) | In English | → Organizations and associations → Electrical engineering | 
| EEI | Essential Elements of Information | In English | |
| EEL | Electrical Equipment List | In English | → Electrical engineering | 
| EELS | Electron Energy Loss Spectroscopy | In English | → Physics | 
| EELV | Evolved Expandable Launch Vehicle | In English | |
| EEM | Earth Entry Module | In English | → Astronautics | 
| EEO | Equal Employment Office | In English | → Personnel management → Labour, labour economics | 
| EEO | Equal Employment Opportunity | In English | → Personnel management → Labour, labour economics | 
| EEOC | Equal Employment Opportunity Commission | In English | → Organizations and associations → Labour, labour economics | 
| EEP | Electronic Equipment Package | In English | → Electronics | 
| EEPCA | European Electrical Products Certification Association | In English | → Associations → Electrical engineering | 
| EEPROM | Electrically Erasable Programmable Read-Only Memory | In English | → Memories | 
| EEPSEA | Economy and Environment Program for Southeast Asia | In English | → Economics → Environmental technology, water supply, waste management | 
| EER | Extended Entity-Relationship | In English | → Databases | 
| eERG | End-use Efficiency Research Group | In English | → Energy economics → Mechanical engineering | 
| EERI | Estonian Energy Research Institute | In English | → Research institutes → Energy economics | 
| EERQI | European Educational Research Quality Indicators (www.eerqi.eu) | In English | → Quality management → Education | 
| EES | European Employment Strategy | In English | → Labour, labour economics | 
| EES | European Social Survey | In English | → Sociology | 
| EES | Electronic Switching System | In English | → Electronics | 
| EES | Ejection Escape Suit | In English | → Aeronautics, aircraft → Astronautics | 
| EES | Emergency Ejection Suit | In English | → Aeronautics, aircraft → Astronautics | 
| EES | Escape Ejection Suit | In English | → Aeronautics, aircraft → Astronautics | 
| EESC | European Economic and Social Committee (www.eesc.europa.eu) = EØSU | Europæiske Økonomiske og Sociale Udvalg | In Danish = ΕΟΚΕ | Ευρωπαϊκή Οικονομική και Κοινωνική Επιτροπή | In Greek = EWSA | Europäische Wirtschafts- und Sozialausschuss | In German = EHSV | Evropský Hospodářský a Sociální Výbor | In Czech = EMSK | Euroopa Majandus- ja Sotsiaalkomitee | In Estonian = CESE | Comité Económico y Social Europeo | In Spanish = CESE | Comité Économique et Social Européen | In French = CESE | Comitato Economico e Sociale Europeo | In Italian = EESK | Eiropas Ekonomikas un Sociālo lietu Komiteja | In Latvian = EESRK | Europos Ekonomikos ir Socialinių Reikalų Komitetas | In Lithuanian = EGSZB | Európai Gazdasági és Szociális Bizottság | In Hungarian = KESE | Kumitat Ekonomiku u Soċjali Ewropew | In Maltese = EESC | Europees Economisch en Sociaal Comité | In Dutch = EKES | Europejski Komitet Ekonomiczno - Społeczny | In Polish = CESE | Comité Económico e Social Europeu | In Portuguese = EHSV | Európsky Hospodársky a Sociálny Výbor | In Slovak = EESO | Evropski Ekonomsko-Socialni Odbor | In Slovenian = ETSK | Euroopan Talous-ja Sosiaalikomitea | In Finnish = EESK | Europeiska Ekonomiska och Sociala Kommittén | In Swedish | In English | → International relations → Economics → Europe | 
| EESS | Emergency Egress Severance System | In English | |
| EESS | Emergency Egress Slide System | In English | |
| EET | Equivalent Exposure Time | In English | |
| EETB | Electronic/Electrical Termination Building | In English | → Electrical engineering → Electronics | 
| EEU | Extravehicular Excursion Unit | In English | → Astronautics | 
| EEV | Enhanced Environmentally friendly Vehicle | In English | → Vehicle engineering | 
| EEWS | Emergency Egress Window System | In English | |
| EExSc | Earth and Extraterrestrial Sciences | In English | → Serial publications, periodicals → Astronomy → Earth sciences | 
| EEyeR | Experimental Eye Research | In English | → Serial publications, periodicals → Biological sciences → Anatomy | 
| EEZ | Exclusive Economic Zone | In English | → Economics | 
| EF | Electronic Field | In English | |
| EF | Expedited Forwarding | In English | → Networks, communication → Telecommunications | 
| EFA | Experiment Flight Application | In English | → Aeronautics, aircraft → Astronautics | 
| EFA | Essential Fatty Acid | In English | → Nutrition | 
| EFA | European Film Academy (www.europeanfilmacademy.org) | In English | → Academies → Cinema, movies | 
| EFAMA | European Fund and Asset Management Association | In English | → Associations → Finance | 
| EFB | European Federation of Biotechnology | In English | → Organizations and associations → Biotechnology | 
| EFC | European Fuel Cell (www.fuelcelleurope.org) | In English | → Energy economics → Vehicle engineering → Europe | 
| EFC | Environmental Facilities Corporation | In English | → Environmental protection → Environmental technology, water supply, waste management | 
| EFCG | European Fine Chemical Group (http://efcg.cefic.org) | In English | → Organizations and associations → Chemicals | 
| EFCS | Earth-Fixed Coordinate System | In English | → Astronomy | 
| EFDA | European Fusion Development Association (www.efda.org) | In English | → Associations → 53912 → Nuclear technology | 
| EFDA | European Fusion Development Agreement | In English | |
| EFE | Electronic Field Experiment | In English | |
| EFEO | École Française d'Extrême-Orient (www.efeo.fr) | In English | → Research institutes → Language, linguistics, literature → Geography, biography, history → France | 
| EFF | Electronic Frontier Foundation | In English | → Foundations → Electronics | 
| EFFI | Electronic Frontier Finland | In English | → Organizations and associations → Electronics → Finland | 
| EFI | Extreme Forecast System | In English | → Computer simulation → Meteorology, climatology | 
| EFIP | European Federation of Inland Ports = FEPI | Fédération Européenne des Ports Intérieurs | In French = EVB | Europäischer Verband der Binnenhäfen | In German | In English | → Organizations and associations → Transport and postal services | 
| EFL | Effective Focal Length | In English | |
| EFL | Equivalent Focal Length | In English | |
| EFLT | Enhanced Forward Link Trilateration | In English | → Telecommunications | 
| EFM | Enterprise Feedback Management | In English | → Knowledge management | 
| EFM | Exceptional Family Member | In English | |
| EFOG | Elgin Franklin Oil & Gas Ltd | In English | → Energy economics → Chemical technology | 
| EFP | ESA Furnished Property | In English | → Astronautics | 
| EFP | European Film Promotion (www.efp-online.com) | In English | → Cinema, movies | 
| EFPA | European Federation of Professional Psychologists Associations | In English | → Organizations and associations → Psychology | 
| EFPIA | European Federation of Pharmaceutical Industries and Associations (www.efpia.org) | In English | → Organizations and associations → Pharmacology, toxicology | 
| EFQM | European Foundation for Quality Management (www.efqm.org) | In English | → Foundations → Quality management | 
| EFR | European Federation for Colorectal Cancer | In English | → Organizations and associations → Oncology → 6163 | 
| EFR | Enhanced Full Rate | In English | |
| EFREP | European Federation of Retired and Elderly Persons = FERPA | Fédération Européenne des Retraités et des Personnes Âgées | In French | In English | → Organizations and associations → Labour, labour economics → Insurance | 
| EFSA | European Food Safety Authority = EBL | Europäische Behörde für Lebensmittelsicherheit | In German = AESA | Autorité Européenne de Sécurité des Aliments | In French | In English | → European Union → Accidents, risks, safety → Nutrition → Food technology | 
| EFSG | European Fire and Security Group | In English | → Organizations and associations | 
| EFSMA | European Federation of Sports Medicine Associations | In English | → Organizations and associations → Medicine → Sport, physical exercises | 
| EFSSS | Engine Failure Sensing and Shutdown System | In English | → Vehicle engineering | 
| EFTA | European Free Trade Association (www.efta.int) = ESVO | Evropské sdružení volného obchodu | In Czech = AELE | Association Européenne de Libre-Échange | In French = JFA | Jeropeeske Frijhannelsassosjaasje | In Frisian = EMAE | Europako Merkataritza Askearen Elkartea | In Basque = AELE | Associacion eropèèna de libro-èchanjo | In Franco-Provençal = AELC | Asociación Europea de Libre Comercio | In Spanish = ELKA | Eŭropa Liber-Komerca Asocio | In Esperanto = EFTA | 欧洲自由贸易联盟 | In Chinese = EVA | Europese Vrijhandelsassociatie | In Dutch = AELE | Associacion Europèa de Liure Escambi | In Occitan = ЕСТА | Европска Слободна Трговска Асоцијација | In Macedonian = AELS | Asociaţia Europeană a Liberului Schimb | In Romanian = ЄАВТ | Європейська асоціація вільної торгівлі | In Ukrainian = ЕФТА | Европска слободна трговинска асоцијација | In Serbian = EZVO | Európske združenie voľného obchodu | In Slovak = ЕАСТ | Европейская ассоциация свободной торговли | In Russian | In English | → Associations → Trade | 
| EFTO | Encrypted For Transmission Only | In English | → Telecommunications | 
| EFTPOS | Electronic Funds Transfer at Point Of Sale | In English | → Trade → Telecommunications | 
| EG | Expert Group | In English | → Organizations and associations | 
| EGA | Evolved Gas Analysis | In English |