| Acronym | Meaning |
| SST | SuperSonic Transport -Training Submarine (US Navy Hull Classification) - Saturated Suction Temperature (refrigeration Cycles) |
| DLS | Deep Lens Survey |
| SA | Sanskrit Language (ISO 639-1 Code) |
| MA | Megaannum |
| UR | Urdu Language (ISO 639-1 Code) |
| E.G. | Exampla Gratia (Latin |
| REEF | Reef Environmental Education Foundation |
| CIWS | Close-In Weapon System |
| MMU | Manchester Metropolitan University -Manned Manoeuvring Unit |
| OPTAR | Operational Target |