ER
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See also: Appendix:Variations of "er"
Translingual
Symbol
ER
- (international standards) ISO 3166-1 alpha-2 country code for Eritrea since 1993.
English
Proper noun
ER
- Initialism of Elizabeth Regina (“Queen Elizabeth”).
- Synonym: EIIR
- (British) Initialism of Edward Rex. (on coins, letterboxes, etc.) The royal cypher for Edward VII, king of Great Britain
- Synonym: EVIIR
- (US politics) Initialism of Eleanor Roosevelt.
- (US sports) Abbreviation of Erie (“Erie, Pennsylvania, USA”).
Noun
ER (countable and uncountable, plural ERs)
- (baseball) Initialism of earned run.
- (biology) Initialism of endoplasmic reticulum.
- (computing) Initialism of entity-relationship.
- Hyponym: EER
- (medicine) Initialism of emergency room.
- (biochemistry) Initialism of estrogen receptor.
- (physics) Initialism of Einstein-Rosen bridge.
- Coordinate term: EPR
- (military) Initialism of enhanced radiation.
See also
Anagrams
French
Proper noun
ER ?
- (sports) Abbreviation of Erie.