| Acronym | Meaning |
| MRT | Mauritania (ISO 3166 Trigram) |
| DIY | Do It Yourself |
| GUF | French Guiana (ISO 3166 Trigram) |
| C | Carbon - Coulomb - One Hundred (in Roman Numerals) |
| TON | Tongan Language (ISO 639-2 Code) |
| V/STOL | Vertical/Short Take-Off And Landing (vee-stoll) |
| BME | Biomedical Engineering -Black And Minority Ethnic Group - Body Modification E-zine |
| OPS | Operations |
| SP | Special - Spring Tide (nautical Charts) |
| GCS | Global Coordinate System |