| Acronym | Meaning |
| AB | Abkhaz Language (ISO 639-1 Code) |
| LTC | Long Term Costing |
| RBI | Runs Batted In |
| RTT | Round Trip Timing |
| ECBR | European Coalition For Biomedical Research |
| FSC | Federal Supply Classification -Forest Stewardship Council (ecological Pressure Group) |
| NESP | NSA/CSS Enterprise Standards Program |
| AHEC | Australian Health Ethics Committee |
| SRBM | Short-Range Ballistic Missile (cf. IRBM |
| MARCENT | United States Marine Forces Central Command |