| Acronym | Meaning |
| YW | Yottawatt |
| FOOP | Friends Of Organ Pipes (Volunteer Group) |
| OPI | Office Of Primary Interest - Open Prepress Interface |
| OVC | Overcast (METAR Code) |
| COM | Comoros (ISO 3166 Trigram) -Component Object Model |
| HAZMAT | Hazardous Materials |
| MEP | Mechanical Electrical Plumbing - Member Of The European Parliament - Missions ?trang?res De Paris (French For Paris Foreign Missions) - Model European Parliament |
| CR | Coral Sea Islands (FIPS 10-4 Territory Code) - Costa Rica (ISO 3166 Digram) |
| DB | Dubnium |
| OEG | Operation Exposure Guidance |