| 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) |
| AGB | Internal Nintendo Initialism (Advanced Game Boy) For Game Boy Advance |
| HUMINT | Human Intelligence (military Parlance) |
| CORG | (U.S.) Combat Operations Research Group |
| SCHIMS | Soldier Combat Helmet Identification Marking System |
| GDC | Game Developers Conference |
| MMOR | Master Of Management In Operations Research |
| H/MAD | High/Medium Altitude Air Defence (aytchmad; See Also HIMAD) |
| PTAL | Public Transport Accessibility Level |
| SOL | S**t Out Of Luck |
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