| Acronym | Meaning |
| CHAMPUS | (U.S.) Civilian Health And Medical Program Of The Uniformed Services |
| ICBN | International Code Of Botanical Nomenclature |
| LARC | Livermore Advanced Research Computer (cf. LLNL) |
| PBB | PolyBrominated Biphenyl |
| HRBL | High-level Representation Of Behavior Language (original Name Of The Herbal Language) |
| ASOC | Air Sovereignty Operations Centre - Air Support Operations Centre - Airport Security And Operations Centre - Antarctic And Southern Ocean Coalition - Atlanta Symphony Orchestra Chorus - Australian Standard Offence Classification |
| AAR | After-Action Review - Association Of American Railroads |
| OAS | Organization Of American States |
| DCFC | Death Cab For Cutie |
| GD | Gadolinium |