| Acronym | Meaning |
| RMC | Royal Military College (Australia |
| MH | Marshall Islands (postal Symbol; ISO 3166 Digram) - Megahenry - Montserrat (FIPS 10-4 Territory Code) |
| FAQ | Frequently Asked Questions (sometimes Pronounced Fak) |
| MOP | Macau Pataca (ISO 4217 Currency Code) -Measure Of Performance |
| MKSA | Metre-Kilogram-Second-Ampere (system Of Units) |
| DOHC | Dual-OverHead-Cam Engine |
| MACA | Military Aid To The Civil Authorities |
| ENE | East North-East |
| IMA | Intermediate Maintenance Activity |
| LASER | Light Amplification By Stimulated Emission Of Radiation (cf. Maser) |