| Acronym | Meaning |
| AC | Adriamycin-Cyclophosphamide (chemotherapy) - Air Conditioning - Alternating Current - Ante Christum (Latin |
| DPST | Double-Pole Single-Throw |
| BBS | Breeding Bird Survey (North America) - Brigade/Battalion Battle Simulation - Bulletin Board System |
| HUN | Hungarian Language (ISO 639-2 Code) |
| FSI | Fuel Stratified Injection |
| MYT | Mayotte (ISO 3166 Trigram) |
| UDAS | Uppsala-DLR Asteroid Survey |
| NIAAA | U.S. National Institute On Alcohol Abuse And Alcoholism |
| NNO | Norwegian Nynorsk Language (ISO 639-2 Code) |
| ROZ | Restricted Operations Zone |