| Acronym | Meaning |
| OR | Operating Room (surgery) - Operational/Operations Research -Oregon (postal Symbol) |
| BBD | Barbados Dollar (ISO 4217 Currency Code) |
| DADVSI | Loi Sur Le Droit D?auteur Et Les Droits Voisins Dans La Soci?t? De L?information (French |
| FBR | Fast Breeder Reactor - Foundation For Biomedical Research |
| PAC | Pan Africanist Congress -Partial Solar Calibrator - Patriot Advanced Capabilities - Political Action Committee -Primary Auditory Cortex |
| LDL | Low-Density Lipoprotein |
| NAMRL | Naval Aerospace Medical Research Laboratory |
| STP | S?o Tom? And PrĀncipe (ISO 3166 Trigram) -Standard Temperature And Pressure |
| BOM | Base Object Model - Bill Of Materials - Block Of The Month Quilting Term |
| PSYOP | Psychological Operations |