| Acronym | Meaning |
| KBES | Knowledge-based Expert System |
| APC | Activated Protein C |
| LICS | Laser-induced Continuum Structure |
| NGL | Natural Gas Liquid (usually Ethane Or Propane) |
| TDSF | Time-dependent Spencer-Fano (in At. And Mol. Inelastic Collisions) |
| ZLC | Zero Length Column |
| TDCC | Time-dependent Close-coupling |
| ELLAP | Environmental Lead Laboratory Accreditation Program |
| SWRO | Seawater Reverse Osmosis |
| NWPA | Nuclear Waste Policy Act |