| Acronym | Meaning |
| MM | Megametre |
| DASD | (U.S.) Deputy Assistant Secretary Of Defense |
| ZC | Zettacoulomb |
| BMA | British Medical Association |
| N/K/A | Now Known As |
| BOT | Balance Of Trade - Build Operate Transfer - Bank Of Thailand |
| JA | Japanese Language (ISO 639-1 Code) |
| ITU | Intent-to-Use - International Telecommunication Union (International Telegraph Union 1865-1932) |
| HMO | Hiri Motu Language (ISO 639-2 Code) |
| NRAO | National Radio Astronomy Observatory |