| Acronym | Meaning |
| DRT | Document Related Technologies |
| MAS | NATO Military Agency For Standardisation |
| UNCSGN | United Nations Conference On The Standardization Of Geographical Names |
| NAAFI | Navy |
| RARDE | UK Royal Armament Research And Development Establishment (1962?1991) |
| T | Tera - Tesla - Tritium |
| IMDB | Internet Movie Database |
| JAL | Japan Airlines |
| SABR | Society For American Baseball Research |
| BMU | Bermuda (ISO 3166 Trigram) |