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For the Wikipedia editing policy abbreviated as AS, see Wikipedia:Article size.

AS, As, A/S or similar may refer to:

Art, entertainment, and media[edit]

Business legal structures[edit]

Businesses and organizations[edit]



Mathematics, science and technology[edit]


  • as (Unix), generic name for the assembler program as used on Unix systems
  • .as, the Internet country code top-level domain for American Samoa
  • ActionScript, a programming language originally developed by Macromedia and currently by Adobe for developing Flash and Flex applications
  • Authentication server, a server that provides authentication services to users
  • Autonomous system (Internet), a collection of IP networks

Health and medicine[edit]

Units of measurement[edit]

  • Arcsecond, 160 arcminute, a unit of angular measurement
  • Attosecond or as, one trillionth (long scale) (10−18) or one quintillionth (short scale) (10−18) of a second, a unit of time
  • Attosiemens or aS, one trillionth (long scale) (10−18) or one quintillionth (short scale) (10−18) of a siemens, a unit of electric conductance

Other uses in mathematics and science[edit]



  • , a town in the Czech Republic
  • Ås, Akershus, a municipality in Akershus county, Norway
  • As, Belgium, a municipality in the Belgian province of Limburg
  • Ås, Sør-Trøndelag, a village in Tydal municipality in Sør-Trøndelag county, Norway
  • Ås, Swedish name for the Harju quarter in Helsinki, Finland

Other places[edit]


  • Æsir (also called "ás", "áss", or "ǫ́ss" in Norse), a member of the pantheon in Norse religion
  • ʿAlayhi s-salām, Arabic for "Peace be upon him", commonly found in Islamic writings after the name of an archangel or prophet other than Muhammad, e.g., "Ibrahim (AS)"

Other uses[edit]

See also[edit]