| ABC | Australian Broadcasting Commission |
|---|---|
| ABM | anti-balistic missile (skr.), protibalistická raketa (angl.skr.) |
| AC | anterior commissure (skr.), komisúra v mozgu (lat.skr.) |
| AED | Atomic Emission Detector |
| AEL | Accessible Emission Limit |
| AEM | Application Explorer Mission, tri americké družice určené na diaľkový prieskum Zeme |
| AKV | Annortotik Kvantev Vermisse (skr.) |
| ATC | Australian Telecommunications Commission |
| ATF | Automatic Transmission Fluid |
| ATF | Automatic Transmission Fluid (skr.) |