| Acronym | Meaning |
| IR | Iridium |
| NYO | National Youth Orchestra Of Great Britain |
| PT | Platinum |
| LEP | Large Electron-Positron Collider |
| WP | White Phosphorus (ammunition) |
| YOR | Yoruba Language (ISO 639-2 Code) |
| CMML | Chronic MyeloMonocytic Leukemia |
| UNDCP | United Nations Drug Control Programme |
| COS | Corsican Language (ISO 639-2 Code) - Cosine |
| REAM | Retired Educators Association Of Minnesota |