| Acronym | Meaning |
| LOSC | Law Of The Sea Convention |
| HUFA | Highly Unsaturated Fatty Acids |
| EBIC | Electron Beam Induced Current |
| EMIC | Electromagnetic Ion Cyclotron (waves) |
| PTCA | Percutaneous Transluminal Coronary Angioplasty |
| APWA | American Public Works Association |
| ECAP | Energy-compensated Atom Probe |
| RVCM | Renormalized Virtual-crystal Method (for Electronic Structure) |
| AOVB | Atomic Orbital Valence Bond (molecular Wave Function) |
| NDA | Nondestructive Assay |