| Acronym | Meaning |
| CSG | Corps Support Group |
| PCTE | Portable Common Tool Environment;Punjab College Of Technical Education |
| BLT | Bacon Lettuce Tomato (sandwich) |
| TSO | The Stationery Office (was HMSO Until 1996) - (U.S.) TRICARE Support Office |
| RAA | Rear Assembly Area |
| EFF | Electronic Frontier Foundation |
| EXFOR | Experimental Force (military) |
| APA | (i) American Psychiatric Association |
| UKR | Ukraine (ISO 3166 Trigram) |
| DSTL | British Defence Science And Technology Laboratory |