| Acronym | Meaning |
| RB | Rubidium |
| ADDIE | Analyze Design Develop Implement And Evaluate |
| KR | Krypton |
| WAAC | Women's Army Auxiliary Corps (WWII UK) |
| MCI | Microwave Communications |
| H | Hecto |
| QID | Quater In Die (Latin |
| COMMZ | Communications Zone (military) |
| BA | Bashkir Language (ISO 639-1 Code) |
| NHRA | National Hot Rod Association |