| Acronym | Meaning |
 | OOS | Occupational Overuse Syndrome - OneSAF Objective System - Open Operating System - Out Of Service |
| AK | Akan Languages (ISO 639-1 Code) |
| VIVO | Video In Video Out |
| CGDC | Computer Game Developers Conference (became GDC In 1998) |
| EPA | EicosaPentaenoic Acid -Environmental Protection Agency |
| FZDZ | Freezing Drizzle (METAR Code) |
| WEBS | Weapon Effectiveness Battle Simulation |
| 4WD | Four Wheel Drive (cf. AWD) |
| NRO | U.S. National Reconnaissance Office |
| POI | Program Of Instruction |
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