| AAT | American Accent Training |
|---|---|
| ABT | Air Combat Training |
| ARGINYL | radikál odvodený od arginínu |
| ATC | Air Training Command |
| ATC | Air Training Corps |
| ATC | Autodesk Authorised Training Centre (skr.) |
| ATTO | Assistive technology training online |
| CCK | skr. cholecystokinín |
| CINCHONÍN | alkaloid obsiahnutý v kôre chinínovníka |
| CLT | Canterbury Language Training |