| Acronym | Meaning |
 | QR | Quake Rally - Qualitative Reasoning - Queensland Rail - Queen's Rangers - Quick Release - Quiet Riot -Qatar Airways (IATA Airline Designator) |
| MOND | Modified Newtonian Dynamics |
| ABB | ASEA Brown Boveri (Swiss-Swedish Multinational Company) |
| PLS | Palletized Loading System - Personal Locator System |
| CBASSE | Commission On Behavioral And Social Sciences And Education (sea Bass) |
| PH | Parts Of Hydrogen (acidity/alkalinity Index) - Picohenry |
| KPNO | Kitt Peak National Observatory |
| NWFZ | Nuclear-Weapon-Free Zone |
| YYH | YuYu Hakusho |
| TRD | Towed Radar Decoy |
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