| Acronym | Meaning |
| HMD | Heard And McDonald Islands (ISO 3166 Trigram) |
| MF | Millifarad |
| PBB | PolyBrominated Biphenyl |
| CC | Many |
| BUR | Burma (ISO 3166 Trigram; Obsolete Since 1989) |
| NPOV | Neutral Point Of View |
| RU | Russian Language (ISO 639-1 Code) |
| MATREX | Modeling Architecture For Technology |
| CERGA | Centre De Recherches En G?odynamique Et Astrom?trie (French |
| LRAD | Long Range Acoustic Device (ell-rad) |