| Acronym | Meaning |
| MARC | MAchine Readable Cataloging (often Also Defined As MAchine Readable Code) |
| ASIC | Aviation Security Identification Card |
| PRC | People's Republic Of China |
| RH | Rhodium |
| OVV | Optically Visually Violent |
| PBT | PolyButylene Terephthalate |
| MMU | Manchester Metropolitan University -Manned Manoeuvring Unit |
| NFLD | Newfoundland |
| SOR | State Of Readiness - Statement Of Requirements |
| GCD | See Entry |