- AAT
- Anglo Australian Telescope (Academic & Science » Astronomy)Association Of Accounting Technicians (Business)**** Arc Attribute Table (Computing » Databases)*** Animal- Assisted Therapy (Medical » Physiology)*** Art And Architecture Thesaurus (Community » Media)** Alpha1-AntiTrypsin (Medical » Laboratory)** Application Assembly Tool (Computing » Software)* Aquatic Ape Theory (Academic & Science)* All American Term Trust, Inc. (Business » NYSE Symbols)* Advanced Automotive Technologies (Governmental » Transportation)* Aviation Applied Technology (Governmental » Military)* Automatic Analog Tester (Governmental » Military)* Advanced Armament Technology (Governmental » Military)* The Alliance Against Trolls (Miscellaneous » Funnies)* America's Army Training (Governmental » Military)* Activities As Tolerated (Medical » Hospitals)* Altay, Mainland China (Regional » Airport Codes)
Abbreviations dictionary. 2012.