| Acronym | Meaning |
| HVO | Upper Volta (ISO 3166 Trigram; Obsolete 1984) |
| OTI | Office Of Transition Initiatives (United States Agency For International Development) |
| FBR | Fast Breeder Reactor - Foundation For Biomedical Research |
| KHR | Cambodian Riel (ISO 4217 Currency Code) |
| SST | SuperSonic Transport -Training Submarine (US Navy Hull Classification) - Saturated Suction Temperature (refrigeration Cycles) |
| SLC | Scan Line Corrector |
| RRP | Recurrent Respiratory Papillomatosis |
| HY | Armenian Language (ISO 639-1 Code) |
| STR | Short Tandem Repeat (DNA Analysis) |
| MCP | Maintenance Collection Point - Male Chauvinist Pig |