| Acronym | Meaning |
 | ODB | Operational Data Base -Oxford Dictionary Of Byzantium |
| AH | Ampere-hour |
| OTEA | (U.S. Army) Operational Test Evaluation Agency |
| OJ | Orange Juice - O.J. Simpson |
| ROW | Right Of Way - Rest Of The World |
| AO | Angola (FIPS 10-4 Country Code; ISO 3166 Digram) -Approach Officer (submarine) - Area Of Operations |
| HOV | High Occupancy Vehicle |
| PM | Panama (FIPS 10-4 Country Code) -Perry Mason - Phase Modulation - Post Meridiem (Latin After Noon) - Prime Minister - Project Manager -Saint Pierre And Miquelon (ISO 3166 Digram) |
| PH | Parts Of Hydrogen (acidity/alkalinity Index) - Picohenry |
| ANC | African National Congress |
Browse by Letter:
