ER

Look up er, Er, ER, -er, 'er, or er- in Wiktionary, the free dictionary.

ER or Er may refer to:

Places

• English Republic, alternative name for the Commonwealth of England
• Eritrea (ISO 3166-2 two letter country code)

United States

• East Rochester, New York
• Erie, Pennsylvania

People

• Er (biblical person), the eldest son of Judah in the biblical book of Genesis
• Nie Er (1912–1935), Chinese composer
• Elliot Rodger (July 24, 1991 – May 23, 2014), English-American incel mass shooter
• A Royal cypher representing a monarch
  • Elizabeth Regina (ER), the royal cypher of Elizabeth I
  • Edward Rex (ER / EVIIR), the royal cypher of Edward VII
  • Edward Rex (ER / EVIIIR), the royal cypher of Edward VIII
  • Elizabeth II Regina (EIIR), the royal cypher of Elizabeth II

Fictional characters

• Er, a character in Plato's Myth of Er

Arts, entertainment and media

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)
• Eastern Railway (India)
• 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
• United Russia, or Yedinaya Rossiya, a Russian political party

Finance and banking

• ER, abbreviation of exchange rate
• ER, abbreviation of expense ratio

Language

• Er (Cyrillic) (Р / р), a letter of the Cyrillic alphabet corresponding to the Latin letter "R"
• Er (cuneiform), a sign in cuneiform writing
• "er", a filler word in English
• 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 noun to indicate resident of, as in New Yorker
  • -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)

Science and technology

• Erdős–Rényi model, a model in graph theory

Biology and medicine

• Emergency room, or emergency department, in a medical facility
• Endoplasmic reticulum, a type of organelle in cell biology
• Er blood group system
• Equine exertional rhabdomyolysis, a syndrome that damages muscle tissue in horses
• Estrogen receptor, a type of protein molecule
• Extraction ratio, a pharmacokinetic property

Chemistry and physics

• ${\displaystyle \epsilon _{r}}$, a representation for relative static permittivity
• Electrorheological (ER) fluid, a type of chemical suspension
• Enantiomeric ratio, a concept in chemistry
• Erbium, symbol Er, a chemical element
• Einstein-Rosen bridge (ER) relativistic wormholes

Computing

• .er, country code top-level domain (ccTLD) for Eritrea
• Entity–relationship model, a conceptual representation of data
• Error Resilience, an audio coding method used in MPEG-4 Part 3

Other uses

• Er., Hebrew abbreviation for 'Eruvin, the second tractate of Moed
• Earned run, a term in the game of baseball
• Emergency Response, incident response team or emergency procedure related to emergency services
• English Reports of the English Courts from 1220 to 1866

See also

Search for "er"  or "e-r" on Wikipedia.

• ERS (disambiguation)
• Err (disambiguation)
• All pages with titles containing ER or ERs
• All pages with titles containing e-r
• All pages with titles beginning with ER 
• All pages with titles beginning with er
• Entre Ríos (disambiguation), several uses
• 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.

This page was last edited on 18 June 2023, at 12:05