| Acronym | Meaning |
| OR | Operating Room (surgery) - Operational/Operations Research -Oregon (postal Symbol) |
| RCAF | Royal Canadian Air Force |
| MRGW | Medium-Range Guided Weapon |
| DBBL | (U.S. Army Simulation Center) Dismounted Battlespace Battle Laboratory |
| XUL | XML User Interface Language |
| ECTHR | European Court Of Human Rights |
| DITY | Do-It-Yourself |
| DISE | Deployable Intelligence Support Element |
| P | Pico |
| AIC | African Independent Church |