| Acronym | Meaning |
| BTU | British Thermal Unit |
| C | Carbon - Coulomb - One Hundred (in Roman Numerals) |
| JAM | Jamaica (ISO 3166 Trigram) |
| OOAD | Object Oriented Analysis And Design |
| AAR | After-Action Review - Association Of American Railroads |
| CREB | Cyclic AMP-response Element Binding (protein) |
| RUN | Kirundi Language (ISO 639-2 Code) |
| PKM | Pulemet Kalashnikova Modernizirovanniy (Russian ??? ??????? ??????????? ????????????????? |
| HVAP | High Velocity Armour Piercing (ammunition) |
| FRICBM | Full Range ICBM |