- AAT
AAT is a
three-letter acronym that may refer to:* Aircraft manufacturer of the 1940s: see
List of aircraft manufacturers A
*Achanalt railway station
*Administrative Appeals Tribunal , in Australia
* AdvancedAlgebra /Trigonometry , a common course taught in high schools and colleges
*Always Active Technologies , a mobile and web development company based in South Africa
*Anglo-Australian Telescope
*Animal-assisted therapy
*Apple Advanced Typography , a text imaging technology from Apple Computer
* Aquatic ape theory
*Armored Assault Tank , a fictional vehicle from Star Wars
*Art & Architecture Thesaurus , a controlled vocabulary for describing artifacts
*Association of Accounting Technicians
*Australian Antarctic Territory
*Average access time , a measurement used withhard disk s
* IATA airport code forAltay Airport in Altay, Xinjiang, China, andAlturas Municipal Airport in Alturas, California, United States
*Alpha 1-antitrypsin , also α1-antitrypsin (A1AT), in biology is a glycoprotein that protects the lungs from the destructive actions of enzymes in the blood
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