| À JOUR | k určitému dátumu |
|---|---|
| A TEMPO | v pohybe, v tempe skôr udanom (hud.) |
| A TEMPO | v pôvodnom tempe (hud.) |
| A TEMPO | v pôvodnom tempe (hud.) |
| AAS | Acid Addition System |
| AAS | Adaptive Antenna System |
| AAS | Applied Acoustics Systems |
| AAS | Arabian Advanced Systems |
| ABAS | Adaptive Behavior Assessment System |
| ABASON | Ernest, rumunský matematik a stavebný inžinier (6. 1. 1897 – ?. ?. 1943) |