| Acronym | Meaning |
| HEAT | High Explosive Anti-Tank (ammunition) |
| FSCL | Fire Support Co-ordination Line |
| ALOC | Average Length Of Call |
| OR | Oriya Language (ISO 639-1 Code) |
| WVR | Women's Volunteer Reserve (WWII UK) |
| JDAM | Joint Direct Attack Munition (djay-dam) |
| IU | Inuktitut Language (ISO 639-1 Code) |
| CSR | Control Supply Rate |
| OCR | Optical Character Recognition |
| COMECON | Council For Mutual Economic Assistance (economic Counterpart Of The Warsaw Pact |