Definition |
Category |
| American Association for the Advancement of Science | Ocean Science |
| American Academy of Arts and Sciences | Non-Profit Organizations |
| African and African American Studies | Academic Degrees |
| Advanced Aircraft Armament System | Air Force |
| Authentication as a Service | Unclassified |
| Anything-as-a-Service | Technology |
| Austrian Association for American Studies | Associations |
| Accounting As A Service | Accounting |
| Accreditation Accountability and Academic Services | Academic & Science |
| Achalasia Addisonianism Alacrima Syndrome | Syndromes |
| African American and Africana Studies | African |
| Alacrima Achalasia Addisonian Syndrome | Syndromes |
| Alan Alda a Admiration Society | Societies |
| Algorithm As A Service | Unclassified |
| Asian and Asian American Studies | Asian |
| Automotive Aftermarket Association Southeast | Associations |
| alacrima-achalasia-addisonian syndrome, see Triple A syndrome | British Medicine |
| American Association in Advancement of Sciences | Observatories |
| Amphibious Aviation Assault Ship | Military |
| Association for Asian American Studies | Educational |
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