| Acronym | Meaning |
 | IDE | Integrated Development Environment - Integrated Drive Electronics |
| HOV | High Occupancy Vehicle |
| DODD | U.S. Department Of Defense Directive |
| E&OE | Errors And Omissions Excepted |
| HYE | Armenian Language (ISO 639-2 Code) |
| QAT | Qatar (ISO 3166 Trigram) |
| FFA | Forum Fisheries Agency -Free-Fire Area - Fusiform Face Area - Football Federation Australia - Future Farmers Of America (today The National FFA Organization) |
| UM | U.S. Minor Outlying Islands (postal Symbol; ISO 3166 Digram) |
| MSM | Mount St Mary's School |
| ODB | Operational Data Base -Oxford Dictionary Of Byzantium |
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