| Acronym | Meaning |
| OSS | Ossetic Language (ISO 639-2 Code) |
| MPAA | Motion Picture Association Of America |
| HL | Hectolitre |
| RAMARK | RAdar MARKer |
| LLTR | Low-Level Transit Route |
| SARP | Search And Rescue Processor |
| ER | Emergency Room -Eritrea (ISO 3166 Digram; FIPS 10-4 Country Code) |
| WLOG | Without Loss Of Generality (see WOLOG) |
| ACUF | BGN Advisory Committee On Undersea Features |
| GI | Galvanised Iron - Gastro-Intestinal - General Issue -Gibraltar (ISO 3166 Digram; FIPS 10-4 Territory Code) -Government Issue |