| Acronym | Meaning |
| MC | Macao (FIPS 10-4 Territory Code) -Master Of Ceremonies -Megacoulomb -Military Cross (bravery Award) -Monaco (ISO 3166 Digram) -Mortar Carrier -Eleven Hundred (in Roman Numerals) |
| VE | Venezuela (FIPS 10-4 Country Code; ISO 3166 Digram) |
| PCP | Phencyclidine - Pneumocystis Jiroveci Pneumonia (formerly Peumocystis Carinii) -Probabilistically Checkable Proof |
| JUGFET | JUnction Gate Field-Effect Transistor |
| FISH | Fluorescence In-Situ Hybridisation |
| HPLC | High Performance Liquid Chromatography |
| PBX | Private Branch EXchange (company Phone System) |
| LAV | Land Assault Vehicle - Light Armoured Vehicle - Lymphadenopathy-Associated Virus |
| I/ITSEC | Interservice/Industry Training |
| HLL | High-Level Language |