| A DATO | od udaného dňa, po latinsky |
|---|---|
| À LA | na spôsob (kniž., zastar., z francúzštiny) |
| A POSTERIORI | skúsenostne, po latinsky |
| AACO | AIDS Activities Coordinating Office |
| AAS | Asociación Argentina de Sedimentología |
| AAS | Australian Accounting Standard |
| AAT | Association of Accounting Technicians |
| AB | od, po latinsky |
| ABA | Australian Broadcasting Authority |
| ABARYT | druh zliatiny |