AT

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

In computing

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

In biology and medicine

• Athletic Trainer
• Análisis transaccional (Spanish for "transactional analysis"), psychological method
• Physiological phenomena:
  • Anaerobic threshold
  • Antithrombin, small protein molecule that inactivates several enzymes of the coagulation system
  • Ataxia telangiectasia, immunodeficiency disorder

In physics and chemistry

• At, chemical element Astatine
• Units of measurement:
  • At or Ampere-turn ), magnetomotive force, in MKS form of International System of Units
  • Attotesla, 10⁻¹⁸ tesla, SI-derived unit of magnetic flux density
  • Technical atmosphere (symbol at), physical unit of pressure

Other uses in science and technology

• Acceptance test, in engineering
• Appropriate technology, an ideological movement founded by economist Dr. Ernst Friedrich "Fritz" Schumacher
• Assistive technology, devices for people with disabilities
• Anti-tank weapon
• Automatic transmission, in vehicles

Other uses

• At, a subdivision equal to 1/100 of a Kip, the unit of currency in Laos
• Archive Team, a digital preservation group
• Aliança da Terra, a Brazilian non-governmental organization
• Aarne-Thompson classification system, used to classify folktales
• Aviation Electronics Technician, a rating in the United States Navy
• Auckland Transport, responsible for public transport in Auckland, New Zealand
• Royal Air Maroc (IATA airline designator)

See also

• All pages with titles beginning with at
• All pages with titles beginning with AT
• All pages with titles containing AT
• AT1 (disambiguation)
• ATS (disambiguation)