| THÁLIA | grécka múza herectva |
|---|---|
| A | actum (skr.) |
| A DATO | od udaného dňa (kniž.), odo dňa vydania alebo vystavenia, napr. účtu |
| AA | ad acta (skr.) |
| AAB | Application Architecture Blueprint |
| AACO | AIDS Activities Coordinating Office |
| AAD | Assistant Athletic Director |
| AAD | Atomic Absorption Detector |
| AAD | Automatic Activation Device |
| AAI | Autodesk Approved Instructor |