| Acronym | Meaning |
| ADP | Adenosine DiPhosphate - Army Doctrine Publication (UK |
| DRAM | Dynamic Random Access Memory (dee-ram) (computing) |
| CIWS | Close-In Weapon System |
| PR | Praseodymium |
| LR | ATGW -Long-Range Anti-Tank Guided Weapon |
| NRU | Nauru (ISO 3166 Trigram) |
| PBDE | PolyBrominated Diphenyl Ether |
| FSTC | Foreign Science Technology Center (now NGIC) |
| RNPS | Radio Network Planning System |
| DECT | Digital European Cordless Telephone |