| AAD | Atomic Absorption Detector |
|---|---|
| AAD | Automatic Activation Device |
| AAF | Audit Automation Facilities |
| AAS | Allround Automotive Solutions |
| AAS | Atomic Absorption Spectrophotometry |
| AAS | Automobile Association of Singapore |
| AAVA | American Association of Veterinary Anatomists |
| ABE | Automated Buyer Environment |
| ABONENTSKÝ | týkajúci sa abonovania, určený abonentom |
| ABS | Automatic Brightness Stabilization controller (skr.) |