ER
ER or Er may refer to:
Arts, entertainment, and media
Fictional characters
- Er, a character in Plato's Myth of Er
Music
- Er, an album by Nils Petter Molvær
- "ER" (song), a 2012 single by Japanese boy band Kanjani Eight
- "ER", a song by Royce da 5'9" featuring Kid Vishis from Success Is Certain
Periodicals
- Chico Enterprise-Record, the daily newspaper of Chico, California
Television
- ER (TV series), a 1994–2009 American television medical drama series
- E/R, a 1984–1985 American television sitcom
Businesses and organizations
- Astar Air Cargo (IATA designator ER)
- Edinaya Rossiya, a Russian political party
- Eldorado Reno, a hotel and casino in Reno, Nevada
- Eldorado Resorts, a gaming company located in Reno, Nevada
- Entre Ríos Railway in Argentina (reporting mark ER)
- Estonian Reform Party
Finance and banking
- Abbreviation of exchange rate
- Abbreviation of expense ratio
Language
- Er (Cyrillic) (Р / р), a letter of the Cyrillic alphabet corresponding to the Latin letter "R"
- "er", a filler (linguistics)
- Er, alternate spelling for Yer (Ъ / ъ), the hard-sign letter of the Cyrillic alphabet
- Suffix -er
- -er, a suffix added to adjectives or adverbs to form a comparative (e.g. fast to faster)
- -er, a suffix added to a verb to make it an agent noun (e.g. cut to cutter)
- Oxford "-er", a suffix used to form words like rugger and footer
- Erhua (儿化), rhotacization of spoken syllables in Beijing dialect of Mandarin Chinese with the -er suffix (儿)
People
- Er (biblical person), the eldest son of Judah in the biblical book of Genesis
- Nie Er (1912–1935), Chinese composer
- Èrs people, an ancient people inhabiting parts of what are now northern Armenia, northeast Turkey, southern Georgia, and northwest Azerbaijan
- Edward Rex (ER or EVIIR), the royal cypher of King Edward VII
- Elizabeth Regina (ER or EIIR), the royal cypher of Queen Elizabeth II
Places
- East Rochester, New York, a town in the United States
- Eritrea (ISO 3166-2:ER country code)
Science and technology
Biology and medicine
- Emergency room, a medical facility specializing in acute, emergency care, usually found in a hospital or other primary care center
- Endoplasmic reticulum, a type of organelle in cell biology
- Equine exertional rhabdomyolysis, a syndrome that damages muscle tissue in horses
- Estrogen receptor, a type of protein molecule
- Extraction ratio, a pharmacokinetic property
Other uses in science and technology
- , a representation for relative static permittivity
- Electrorheological (ER) fluid, a type of chemical suspension
- Enantiomeric ratio, a concept in chemistry
- Entity–relationship model, a conceptual representation of data
- Erbium, chemical element with symbol Er
- Erdős–Rényi model, a model in graph theory
- Error Resilience, an audio coding method used in MPEG-4 Part 3
Other uses
- .er, country code top-level domain (ccTLD) for Eritrea
- Er., Hebrew abbreviation for 'Eruvin, the second tractate of Moed
- Earned run, a term in the game of baseball
- Emergency Response, team or processes related to emergency services
- English Reports of the English Courts from 1220 to 1866
See also
- Entre Ríos (disambiguation), several uses
- Err (disambiguation)
- Erro (disambiguation)
- Error (disambiguation)
- Ur (disambiguation)
This disambiguation page lists articles associated with the title ER.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.