# List of acronyms: E

This list contains acronyms, initialisms, and pseudo-blends that begin with the letter E.
For the purposes of this list:
* acronym = an abbreviation pronounced as if it were a word, e.g., SARS = severe acute respiratory syndrome, pronounced to rhyme with cars
* initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc, pronounced cee dee
* pseudo-blend = an abbreviation whose extra or omitted letters mean that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).
    (a) = acronym, e.g.: SARS – (a) severe acute respiratory syndrome
    (i) = initialism, e.g.: CD – (i) compact disc
    (p) = pseudo-blend, e.g.: UNIFEM – (p) United Nations Development Fund for Women
    (s) = symbol (none of the above, representing and pronounced as something else; for example: MHz – megahertz)
Some terms are spoken as either acronym or initialism, e.g., VoIP, pronounced both as voyp and V-O-I-P.
(Main list of acronyms)

## Contents

* Top
* E0–9 EA EB EC ED EE EF EG EH EI EJ EK EL EM EN EO EP EQ ER ES ET EU EV EW EX EY EZ
* E – (s) East
* e- – (i) Used as a prefix before unabbreviated words, stands for technical words such as electronic or emergency.

## E0–9

* E$^3$ or E3 – many, including Electronic Entertainment Expo, see entry
* E15 - (s) Eyjafjallajökull (Volcano in Iceland: 'E' followed by 15 letters)

## EA

* EA – (i) Electronic Attack – Emotions Anonymous – Engagement Area – Electronic Arts – Enrolled Agent – Environmental Assessment - Enterprise Architect – (s) Exaampere
* EABU – (i) Explain Acronyms Before Use
* EAC – (i) Echelons Above Corps
* EAFUS – (i) "Everything" Added to Food in the United States (FDA list)
* EAPC – (i) Euro-Atlantic Partnership Council
* EASA – (i) European Aviation Safety Agency
* EAST – (a) Experimental Advanced Superconducting Tokamak

## EB

* EB - East Bridgewater
* EBCDIC – (a/i) Extended Binary Coded Decimal Interchange Code (pronounced "eb-see-dik") (cf. BCD)
* EBD – (i) Electronic Brake Distribution
* EBE – (i) Extraterrestrial Biological Entity
* EBO
** (i/a) Effects Based Operations
** Encyclopædia Britannica Online
** European Board of Ophthalmology
* EBSA – (i) Employee Benefits Security Administration
* EBT
** (i) Earnings Before Taxes
** Electronic Benefit Transfer
* EBW
** (i) Electron Beam Welding
** Exploding BridgeWire

## EC

* EC
** (a/i) Earth Constitution
** (s) Ecuador (ISO 3166 digram; FIPS 10-4 country code)
** (i) Electronic Combat
** European Community (see EEC)
** (s) Exacoulomb
* EC2 (disambiguation) – (i) Many, some as an alternative to EC2, e.g., Elastic Compute Cloud
* EC3 – (i) Ethan Carter III, ring name of American professional wrestler Michael Hutter (who currently performs as "EC3")
* ECAL — (p) Electromagnetic calorimeter
* ECASS – (i) European Centre for Analysis in the Social Sciences
* ECB (disambiguation)
** (i) England (and Wales) Cricket Board
** European Central Bank
* ECBR – (i) European Coalition for Biomedical Research
* ECCM (disambiguation) – (i) Electronic Counter-Counter-Measures
* ECDay – (a/i) Earth Constitution Day
* ECF – (i) Environmental Correction Factor
* ECFS (disambiguation) – (i) Electronic Case Filing System
* ECG – (i) Electrocardiogram
* Echo (disambiguation)
** (a) Each Community Helps Others (EPA programme)
** Educational Concerns for Hunger Organization
** European Commission Host Organization
** European Commission Humanitarian aid Office
** (p) Exchange Clearing House
** Expanded Characteristic Option
** (a) Explanatory Coherence by Harmony Optimization
* ECHR
** (i) European Convention on Human Rights
** (i) European Court of Human Rights
* ECJ – (i) European Court of Justice
* ECL – (i) Emitter Coupled Logic (electronics)
* ECM
** (i) Electronic Counter-Measures
** Enterprise Content Management
* ECommHR – (p) European Commission on Human Rights
* ECOWAS - (a) Economic Community of West African States
* ECS
** (i) Emergency Contact System
** Enhanced Chip Set (computing)
** EOSDIS Core System
** Extended Chip Set (computing)
* ECSC – (i) European Coal and Steel Community (distant ancestor of the EU)
* ECT – (i) ElectroConvulsive Therapy
* ECtHR – (p) European Court of Human Rights
* ECU
** (s) Ecuador (ISO 3166 trigram)
** (i) European Currency Unit (ancestor of the euro)
* ECW
** (i) Eastern Championship Wrestling/Extreme Championship Wrestling

## ED

* EDA – (i) European Defence Agency
* EDAC – (a) Error Detection And Correction
* EDC - (a) Everyday carry
* EDC-DAAC – (i) EROS Data Center Distributed Active Archive Center
* EDCS – (i) Environmental Data Coding Specification
* EDD
** (i) Earliest due date
** Electron-detachment dissociation
** Elena Delle Donne (American basketball player)
** Employment Development Department (California state agency)
** End-diastolic dimension
** Expected Date of Delivery (pregnancy)
* EDECSIM – (p) Extended Directed Energy Combat Simulation
* EDF or EdF – (i) Électricité de France (French, "France Electric Utility")
* EDGAR – (a) Electronic Data Gathering, Analysis, and Retrieval (U.S. Securities and Exchange Commission filings database)
* EDH – (i) Eastman Dental Hospital
* EDS
** (i) Electronic Data Systems
** Electronic Differential System
* EDSA – (a) Epifanio de los Santos Avenue (a major thoroughfare in Manila with great significance to post-1980 Philippines history)
* EDT – (i) Eastern Daylight Saving Time (UTC−4 hours)
* EDTA
** (i) Electric Drive Transportation Association
** (p) EthyleneDiamineTetraAcetic acid

## EE

* ee – (s) Ewe language (ISO 639-1 code)
* EE
** (s) Estonia (ISO 3166 digram; from the country's native name of Eesti)
** (i) Electrical engineering
** Electrical Engineer
* E&E – (i) Escape and Evasion (training)
* EEC – (i) European Economic Community (predecessor of the EU)
* EEG – (i) ElectroEncephaloGram
* EEK – (s) Estonian kroon (ISO 4217 currency code)
* EENT – (i) End Evening Nautical Twilight
* EEO – (i) Equal Employment Opportunity
* EEOC – (i) (U.S.) Equal Employment Opportunity Commission
* EEZ – (i) Economic Exclusion Zone or Exclusive Economic Zone

## EF

* EF
** (i) Electro-focus (Canon lens mount)
** Entry Foyer
** (s) Exafarad
* EFF – (i) Electronic Frontier Foundation
* EFL
** (i) English Football League
** English as a Foreign Language
* EFM – (i) Enterprise Feedback Management
* EFOA – (i) European Fuel Oxygenates Association
* EFSA – (i) European Food Safety Authority
* EFT – (i) Electronic Fund Transfer
* EFTA
** (i) European Free Trade Area
** (i) European Free Trade Association
* EFV – (i) Expeditionary Fighting Vehicle

## EG

* e.g. – (i) exempli gratia (Latin, roughly "for the sake of an example", "for example", "for instance")
* EG – (s) Egypt (ISO 3166 digram; FIPS 10-4 country code)
* EGBUS – (i) External Genitalia, Bartholin's glands, Urethra & Skene's glands
* EGCG – (p) EpiGalloCatechin-3-Gallate
* EGIS – (a) Erieye Ground Interface Segment
* EGP – (s) Egyptian pound (ISO 4217 currency code)
* EGRET – (a) Energetic Gamma-Ray Experiment Telescope
* EGY – (s) Egypt (ISO 3166 trigram)

## EH

* EH
** (s) Exahenry
** (s) Western Sahara (ISO 3166 digram)
* EHA
** (p) Education for All Handicapped Children Act (U.S. federal legislation; since superseded by the Individuals with Disabilities Education Act)
** (i) Emotional Health Anonymous
* EHF – (i) Extremely High Frequency
* EHR – (i) Equipment History Record

## EI

* Ei – (s) Exbi
* EI – (s) Ireland (FIPS 10-4 country code; from Éire)
* EIA – (i) Environmental Impact Assessment
* EIAH – Environnements Informatiques pour l'Apprentissage Humain
* EIAH – Encyclopedia of Iranian Architectural History
* EIC – East India Company
* EICS – East India Company's Service
* eID – electronic ID
* EIRP – (i) Effective Isotropic Radiated Power
* EIS – (i) Environmental Impact Statement

## EJ

* EJ – (s) Exajoule

## EK

* EK – (s) Equatorial Guinea (FIPS 10-4 country code) – Exakelvin
* EKG – (i) Electrocardiogram (from German Elektrokardiogramm)
* EKMS – (i) Electronic Key Management System

## EL

* el – (s) Greek language (ISO 639-1 code)
* EL – (s) Exalitre
* ELF
** (a/i) Earth Liberation Front
** Endangered Language Fund
** Eritrean Liberation Front
** Executable and Linkable Format
** Extremely Low Frequency
* ELINT – (p) Electronic Intelligence
* ell – (s) Greek language (ISO 639-2 code)
* ELL – (i) English Language Learner
* ELM – (i) Edge-Localised Mode (plasma physics)
* ELO – (i) Electric Light Orchestra
* ELP
** (i) Emerson, Lake & Palmer
** European Left Party
* ELSS – (i) Emergency Life Support Stores
* ELT – (i) Emergency Locator Transmitter

## EM

* Em – (s) Exametre
* EM – (i) ElectroMagnetism/ElectroMagnetic
* EMA – (i/a) European Medicines Agency
* Embraer – (p) Empresa Brasileira de Aeronáutica (Portuguese, "Brazilian Aeronautics Company")
* EMC
** (i) Electric Membership Corporation
** Electromagnetic Compatibility
** Electro-Motive Corporation
** European Muon Collaboration
** Evergreen Marine Corporation
* EMCON – (p) (Electromagnetic) Emissions Control
* EMD
** (i) General Motors Electro-Motive Division
** Engineering and Manufacturing Development
** European Missile Defence
* EMDEX – (a) Essential Medicines InDEX
* EMDG – (i) Euro-Missile Dynamics Group
* EMDR – (i) Eye Movement Desensitisation and Reprocessing
* EMEA – (i) Europe, Middle East and Africa
* EMF
** (i) Electromotive force
** Epsom Mad Funkers (1990s–2000s indie dance band)
* EMG – (p) ElectroMyoGraph
* EMO – (i) Emergency Measures Organisation- (p) Emotional
* EMP – (i) ElectroMagnetic Pulse
* EMR - (i) East Midlands Railway and European Metal Recycling
* EMS – (i) Emergency Medical Services
* EMT – (i) Emergency Medical Technician and East Midlands Trains
* EMU – (i) Electric Multiple Unit – a method of connecting self-propelled railway vehicles together to form a train under the control of one driver.
* EMV – (i) Europay, MasterCard, Visa (the companies that developed the current technical standard for chipped payment cards and contactless cards)

## EN

* en – (s) English language (ISO 639-1 code)
* EN
** (p) Corps of Engineers
** (s) Estonia (FIPS 10-4 country code)
** Exanewton
* ENCODE – (p) Encyclopedia of DNA Elements (human genome data project)
* ENE – (i) East North-East
* eng – (s) English language (ISO 639-2 code)
* ENG – (s) England (FIFA trigram; not eligible for an ISO 3166 or IOC trigram)
* ENSATT – (i) École nationale supérieure des arts et techniques de théâtre (French, "Higher National School of Theatrical Arts and Techniques")
* ENT – (i) Ear, Nose and Throat
* ENTEC – (a) Euro NATO Training Engineer Centre
* ENVL – (a) Envelope
* ENY – (p) Enemy

## EO

* eo – (s) Esperanto language (ISO 639-1 code)
* EO
** (i) Electro-Optics
** Engagement Operations
* EOD – (i) Explosive Ordnance Disposal
* E&OE – (i) Errors and Omissions Excepted
* EOG – (i) ElectroOculoGraphy
* EOS
** (i) Earth Observation Satellite
** (a/i) Electro-Optical System, Canon's autofocusing system for film and digital SLR cameras, as well as the company's mirrorless cameras
** (i) Electrophoresis Operations in Space, a space manufacturing project of the McDonnell Douglas Astronautics Company
* EOSAT – (p) Earth Observation Satellite
* EOSDIS – (a/i) Earth Observation Satellite Data and Information System
* EOTS
** (i) Electro-Optical Tactical Sensor
** (a/i) Eye Of The Storm (World of Warcraft)
* EOM – (i) End of Message

## EP

* EP – (i) European Parliament
* EP – (i) Extended play
* EPA
** (p) EicosaPentaenoic Acid
** (i) Environmental Protection Agency
* EPCOT – (a) Experimental Prototype Community Of Tomorrow
* EPCR
** (i) Endothelial protein C receptor
** European Professional Club Rugby
* EPFL – (i) École polytechnique fédérale de Lausanne (French, "Lausanne Federal Institute of Technology")
* EPGS – (i) EOS Polar Ground Sites
* EPIRB – (a/i) Emergency Position Indicating Radio Beacon
* EPL – (i) English Premier League
* EPLRS – (a) Enhanced Position Location Reporting System ("ee-plarz")
* epo – (s) Esperanto language (ISO 639-2 code)
* EPO
** (i) Ellinikí Podosferikí Omospondía (Greek Ελληνική Ποδοσφαιρική Ομοσπονδία, translated as "Hellenic Football Federation")
** European Patent Organisation or its main organ, the European Patent Office
** (p) Erythropoietin
* EPOS – (a) Electronic Point Of Sale
* EPPA – (i) Employee Polygraph Protection Act
* EPR – (i) European Pressurised [Nuclear] Reactor
** Evaporator Pressure regulator
* EPW
** (i) Earth Penetrator Weapon/Warhead
** Economic and Political Weekly (Indian publication)
** Enemy Prisoner of War

## EQ

* EQ – (i) Emotional Quotient
* EQG – (s) Equatorial Guinea (FIFA trigram, but not IOC or ISO 3166)

## ER

* Er – (s) Erbium
* ER
** (i) Emergency Room
** (s) Eritrea (ISO 3166 digram; FIPS 10-4 country code)
* ERA
** (i) Earned run average
** Engineering Research Associates
** Equal Rights Amendment
** English Racing Automobiles
** European Railway Agency
** (a) Explosive Reactive Armor (tank add-on armor)
* ERCIM – (a/i) European Research Consortium for Informatics and Mathematics
* ERI – (s) Eritrea (ISO 3166 trigram)
* ERLAWS – (a) Eastern Ruapehu Lahar Alarm and Warning System
* ERN – (s) Eritrean nakfa (ISO 4217 currency code)
* EROS – (a) Earth Resources Observation System
* ERP – (i) Engineer Regulating Point
* ERR – (p) Eesti Rahvusringhääling
* ERS – (i) Earth Resources Survey
* ERTS – (i) Earth Resources Technology Satellite (became Landsat)
* ERV – (p) Endogenous RetroVirus

## ES

* es – (s) Spanish language (ISO 639-1 code)
* Es
** (s) Einsteinium
** Exasecond
* ES
** (s) El Salvador (FIPS 10-4 country code)
** (i) Electronic warfare Support
** (s) Exasiemens
** Spain (ISO 3166 digram; from the country's native name of España)
* ESA
** (i) Electro-Spark Alloying
** Endangered Species Act
** European Space Agency
* ESC
** (i) Embryonic Stem Cell
** Electronic Stability Control
* ESD – (i) ElectroStatic Discharge
* ESDP – (i) European Security and Defence Policy
* ESE – (i) East South-East
* ESH – (s) Western Sahara (ISO 3166 trigram)
* ESL – (i) English as a Second Language
* ESM – (i) Electronic warfare Support Measures
* ESO – (i) European Southern Observatory
* ESOL – (a) English for Speakers of Other Languages
* ESP
** (i) Electronic Stability Program
** Extra-sensory perception
** (s) Spain (ISO 3166 trigram)
* ESPGHAN - European Society for Paediatric Gastroenterology, Hepatology and Nutrition
* ESPN – (i) Entertainment and Sports Programming Network
* est – (s) Estonian language (ISO 639-2 code)
* EST
** (i) Eastern Standard Time (UTC−5 hours)
** (s) Estonia (ISO 3166 trigram)
* ESU – (i) Emergency Services Unit
* ESV – (i) Engineer Support Vehicle

## ET

* et – (s) Estonian language (ISO 639-1 code)
* ET
** (s) Ethiopia (ISO 3166 digram; FIPS 10-4 country code)
** Exatesla
** (i) Extra Terrestrial
* ETA
** (i) Estimated Time of Arrival
** (a) Euzkadi Ta Azkatasuna ("etta", Basque, "Basque Homeland and Freedom")
* et al. – (p) et alii/aliae/alia (Latin, "and others")
* ETB – (s) Ethiopian Birr (ISO 4217 currency code)
* ETC/RMT – (i) Explosive Transient Camera/Rapidly Moving Telescope
* Etc. - Et cetera
* ETF – (i) Emergency Task Force (a special police unit, also jocularly said to stand for Extra-Thick Fuzz)
* ETH – (s) Ethiopia (ISO 3166 trigram)
* ETI – (i) Extra-Terrestrial Intelligence
* ETK
** (i) Easy Tool Kit
** (i) Embedded Tool Kit
** Ersatzteikatalog (German: spare parts catalog)
* ETLA – (i) Extended TLA
* ETM
** (i) Electronic Technical Manual
** (i) Enhanced Thematic Mapper
* ETOPS - (a) Extended-range Twin-engine Operational Performance Standards (aviation)
* et seq. – (p) et sequens/sequentes/sequentia (Latin, "and the following one(s)")
* ETT – (i) Embedded Training Team

## EU

* eu – (s) Basque language (ISO 639-1 code)
* Eu – (s) Europium
* EU
** (s) Europa Island (FIPS 10-4 country code)
** (i) European Union
* EUCOM – (p) (U.S.) European Command
* EULA – (a) End-User License Agreement ("you-lah")
* EUR – (s) euro (ISO 4217 currency code)
* eus – (s) Basque language (ISO 639-2 code)
* EUUSA – (s) European Union and United States of America

## EV

* EV – (s) Exavolt
* EVA
** (i) Earned Value Analysis
** Economic value added
** Ethylene-Vinyl Acetate
** Extra-Vehicular Activity
* EVIL – (a) Electronic viewfinder (with) interchangeable lens (a type of digital camera)

## EW

* EW – (i) Electronic Warfare – (s) Exawatt
* ewe – (s) Ewe language (ISO 639-2 code)
* EWR – (s) Newark Liberty International Airport (IATA airport code)
* EWSD – (p) Elektronisches Wählsystem Digital (German, "Electronic Digital Switching System")
* EWTN – (i) Eternal Word Television Network

## EX

* EXFOR – (p) Experimental Force (military)
* EXREP – (p) Expeditious Repair (SM&R code)

## EY

* EYD
** Ejaan Yang Disempurnakan (Indonesian, "Perfected Spelling System", used officially in Indonesia since 1972)
** Eurovision Young Dancers

## EZ

* EZ – (s) Czech Republic (FIPS 10-4 country code) – (i) Extraction Zone
* EZLN – (a) Ejército Zapatista de Liberación Nacional (Spanish, "Zapatista Army of National Liberation")