The word at is an English word, which may act as a preposition

AT (or similar) may also refer to:

Places

• Austria's ISO, 2-letter country code
  • .at, the Internet country code top-level domain for Austria
• Anguilla, a World Meteorological Organization country code
• Ashmore and Cartier Islands (FIPS 10-4 territory code and obsolete NATO country code
• Atchison County, Kansas (county code)
• Province of Asti, a province of Italy in the ISO 3166-2:IT code
• At, Bihar, a village in Aurangabad district, Bihar
• Appalachian Trail, an over 2,000 mile long trail in the eastern United States

Science and technology

• Astatine, the chemical symbol for the element
• Ampere-turn (symbol), an International System of Units (MKS) unit of magnetomotive force
• A subdivision equal to 1/100 of a Kip, the unit of currency in Laos
• Attotesla, 10 ¹⁸ tesla, an SI derived unit of magnetic flux density
• Technical atmosphere (symbol), physical unit of pressure
• Aarne-Thompson classification system
• Acceptance test
• An lisis Transaccional (Spanish "Transactional analysis"), a psychological method
• Ataxia telangiectasia, an immunodeficiency disorder
• Appropriate Technology
• Assistive technology
• Automatic transmission
• Antithrombin

Computing

• IBM Personal Computer/AT
  • AT form factor for motherboards and computer cases
  • The common name for the 5-pin DIN keyboard connector
• Hayes command set for computer modems (all commands begin with the characters "AT")
• @ (or "at sign"), the punctuation symbol now typically used in e-mail addresses (and more recently, tweets)
• at (Unix), to schedule tasks to be performed at a later date
• at (Windows), to schedules other commands to be run at a certain time

Other uses

• At-Bristol, a science centre in Bristol
• Anaerobic threshold
• Anti-tank weapon
• Archive Team, a digital preservation group
• Aviation Electronics Technician, a rating in the United States Navy
• Royal Air Maroc (IATA airline designator)

See also

ca:At cs:AT da:AT de:AT el:AT es:AT eo:At fa:AT fr:AT gl:AT ko:AT it:AT he:At sw:AT la:AT lv:AT lt:AT hu:IBM-kompatibilis PC nl:AT ja:AT no:AT pl:At pt:AT ro:AT ru:AT ( ) sk:At sl:AT fi:At sv:AT tr:At (anlam ayr m ) zh:AT