What does AT stand for?

What does AT mean?

AT	Atlas Medical » Physiology
AT	All That Internet » Chat
AT	Advanced Technology Computing » Drivers
AT	Advanced Technology Computing » General
AT	All Times Community » Sports
AT	Air Traffic Governmental » Transportation
AT	Air Transport Governmental » Military
AT	Automatic Transmission Governmental » Transportation
AT	All Terrain Academic & Science » Geology
AT	Anti-Terrorism Business » International Business
AT	Anti-Tank Governmental » Military
AT	After Tax Business » Accounting
AT	Annual Training Governmental » Military
AT	Acceptance Testing Governmental » NASA
AT	Acceptance Test Governmental » Military
AT	Access Type Governmental » Military
AT	Ataxia Telangiectasia Medical » Physiology
AT	Anti-Terrorist Governmental » FBI Files
AT	Altes Testament International » German
AT	Arabidopsis Thaliana Academic & Science » Botany
At	Astatine Academic & Science » Chemistry
AT	Anaerobic Threshold Medical » Physiology
AT	Access Terminal Computing » Telecom
AT	Alltel Corporation Business » NYSE Symbols
AT	Alpine Touring Business » Firms

at(prep.): (used to indicate a point or place occupied in space); in, on, or near: