| Acronym | Meaning |
| SL | Sierra Leone (ISO 3166 And FIPS 10-4 Country Code Digram) -Start Line |
| ACP | Air Control Point |
| AVE | Avestan Language (ISO 639-2 Code) |
| FIJ | Fijian Language (ISO 639-2 Code) |
| FRY | West Frisian Language (ISO 639-2 Code) |
| YL | Yottalitre |
| RH | Rhodium |
| IMRI | Industrial Membrane Research Institute - Information Management Research Institute - Institut Pour Le Management De La Recherche Et De L?innovation (French |
| USDRE | (U.S.) Under-Secretary Of Defense For Research And Engineering (1978?1986) |
| R&S | Reconnaissance & Surveillance |