| Acronym | Meaning |
| CJ | Cayman Islands (FIPS 10-4 Country Code) -Criminal Justice |
| PPA | Parahippocampal Place Area - PolyPhthalAmide |
| CVS | Concurrent Versions System |
| NODEF | NATO Oceanographic Data Exchange Format |
| JET | Joint European Torus |
| TNT | TriNitroToluene |
| IRBM | Intermediate Range Ballistic Missile |
| TG | Tajik Language (ISO 639-1 Code) |
| SRS | Savannah River Site |
| TWAT | The War Against Terror |