| Acronym | Meaning |
| WK | Wake Island (ISO 3166 Digram |
| AVTB | Armoured Vehicle Test Bed -Aviation Test Bed |
| APR | Annual Percentage Rate |
| FXX | Metropolitan France (ISO 3166 Trigram; Obsolete 1997) |
| ABA | American Bar Association - American Basketball Association - American Beverage Association - American Bicycle Association - American Birding Association - Australian Broadcasting Authority |
| GNF | Guinean Franc (ISO 4217 Currency Code) |
| INAS | International Near-Earth Asteroid Survey |
| YM | Yottametre |
| PRC | People's Republic Of China |
| 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) |