| Acronym | Meaning |
| BSMB | British Society For Matrix Biology |
| NAAQS | National Ambient Air Quality Standards |
| RIAA | Recording Industry Association Of America |
| MK | Air Mauritius (IATA Code) - Macedonia (ISO 3166 Digram; FIPS 10-4 Country Code) -Mandalskameratene (Norwegian Football Club) -Megakelvin -Missionary Kid - Mortal Kombat (game) |
| CATK | Counterattack |
| CEPT | Conf?rence Europ?enne Des Administrations Des Postes Et Des T?l?communications (French |
| GS | Gigasecond |
| SUV | Sport Utility Vehicle |
| IMPACT | International Medical Products Anti-Counterfeiting Taskforce |
| ANL | Argonne National Laboratory |