| Acronym | Meaning |
| MATS | U.S. Military Air Transport Service (1948-1966) |
| AAT | Australian Antarctic Territory |
| DTG | Date-Time Group |
| ASX | Advanced Stream Redirector - Australian Stock Exchange |
| DA&M | (U.S.) Director |
| COY | Company (military Unit) |
| COLA | Comp.os.linux.announce - Cost Of Living Adjustment |
| 3I | Investors In Industry (venture Capitalists) |
| BSMB | British Society For Matrix Biology |
| LHS | Left Hand Side |