List of acronyms and initialisms: 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 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)

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

E0–9

E³ or E3 – many, including Electronic Entertainment Expo, see entry

EA

EA – (i) Electronic Attack – Emotions Anonymous – Engagement Area – Electronic Arts – Enrolled Agent – Environmental Assessment – (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

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
EBW – (i) Electron Beam Welding
EBW – (i) Exploding BridgeWire

EC

EC
- (s) Ecuador (ISO 3166 digram; FIPS 10-4 country code)
- (i) Electronic Combat
- European Community (see EEC)
- (s) Exacoulomb
ECB
- (i) European Central Bank
- England (and Wales) Cricket Board
ECBR – (i) European Coalition for Biomedical Research
ECASS – (i) European Centre for Analysis in the Social Sciences ^[1]
ECCM – (i) Electronic Counter-Counter-Measures
ECFS – (i) Electronic Case Filing System
ECG – (i) Electrocardiogram
ECHO
- (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
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
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-DAAC – (i) EROS Data Center Distributed Active Archive Center
EDCS – (i) Environmental Data Coding Specification
EDECSIM – (p) Extended Directed Energy Combat Simulation
EDF or EdF – (i) Électricité de France (French, "France Electric Utility")
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 – 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 – Western Sahara (ISO 3166 digram)
EHA – (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
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
EMCON – (p) (Electromagnetic) Emissions Control
EMD
- (i) General Motors Electro-Motive Division
- Engineering and Manufacturing Development
- European Missile Defence
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
EMS – (i) Emergency Medical Services
EMT – (i) Emergency Medical Technician
EMU – (i) Electric Multiple Unit – a method of connecting self-propelled railway vehicles together to form a train under the control of one driver.

EN

en – (s) English language (ISO 639-1 code)
EN – (p) Corps of Engineers – (s) Estonia (FIPS 10-4 country code) – Exanewton
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
- (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
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
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
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)
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
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
ETLA – (i) Extended TLA
ETM
- (i) Electronic Technical Manual
- 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
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

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")

List of acronyms and initialisms

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

References

^ http://www.iser.essex.ac.uk/research/ecass