- AAC
- Advanced Audio Coding (Computing » Software)**** Australian Army Cadets (Governmental » Military)*** Augmentative And Alternative Communication (Community » Law)** Alaska Administrative Code (Governmental » State & Local)* Amino Acid Composition (Medical » Human Genome)* American Anglican Council (Community » Religion)* Army Air Corps (Governmental » Military)* American Airlines Center (Business » Firms)* Alternative And Augmentative Communication (Community » Educational)* AIDS Action Committee (Community » Non-Profit Organizations)* Augmentative Alternative Communication (Miscellaneous » Toastmasters)* American Alpine Club (Community » Non-Profit Organizations)* Mike Monroney Aeronautical Center (Governmental » Transportation)* Academic Achievement Center (Academic & Science » Universities)* Alaskan Air Command (Governmental » Military)* Advanced Activity Concept (Business » General)* Advanced Activity Concept (Community » Educational)* Advanced Activity Concept (Governmental » Transportation)* Adaptive Audio Coding (Computing » Software)* Army Acquisition Corps (Governmental » Military)* Alternative Augmentative Communication (Community » Educational)* Agility Association Of Canada (Miscellaneous » Dogs Related)* Augmentative or Alternative Communication (Community)* Advanced Audio Compression (Computing » Software)* At Any Cost (Governmental » Military)* Amino Acid Chelate (Academic & Science » Chemistry)
Abbreviations dictionary. 2012.