| Acronym | Meaning |
 | MWOA | Mount Wilson Observatory Association |
| MATREX | Modeling Architecture For Technology |
| JOTS | Joint Operations Tactical System |
| DY | Dysprosium |
| QB | Quarterback (football) |
| MLLW | Mean Lower Low Water (nautical Charts) |
| BA | Bachelor Of Arts -Bahrain (FIPS 10-4 Country Code) - Bosnia And Herzegovina (ISO 3166 Digram) -British Airways - British Army |
| HZ | Hertz |
| RCA | Radio Corporation Of America - Root Cause Analysis - Royal Canadian Artillery - Royal City Avenue (famous Entertainment Zone In Thailand) |
| MSL | Mars Science Laboratory - Mean Sea Level -Missile |
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