| Acronym | Meaning |
| LO | Lao Language (ISO 639-1 Code) |
| PWR | Pressurized Water Reactor |
| SLOC | Sea Lines Of Communication - Source Lines Of Code |
| NCA | National Command Authority |
| FRA | French Language (ISO 639-2 Code) |
| DY | Dysprosium |
| TSO | The Stationery Office (was HMSO Until 1996) - (U.S.) TRICARE Support Office |
| RIF | Reduction In Force (layoffs) - Resistance Index For Frostbite |
| BI | Bislami Language (ISO 639-1 Code) |
| URD | User Requirements Document |