| Acronym | Meaning |
| MRT | Mauritania (ISO 3166 Trigram) |
| CML | Chemical -Chronic Myelogenous Leukemia (formerly Chronic Myeloid Leukemia) |
| CUREA | Consortium For Undergraduate Research And Education In Astronomy |
| IACREOT | International Association Of Clerks |
| GULCR | Grupo De Usuarios De Linux De Costa Rica |
| GV | Manx Language (ISO 639-1 Code) |
| OSETI | Optical SETI |
| JRRF | Joint Rapid Reaction Forces |
| DCW | Digital Chart Of The World |
| LBJ | Lady Bird Johnson - Light Bulb Joke - Little Beagle Johnson (LBJ's Dog) - Lyndon Baines Johnson |