| Acronym | Meaning |
| QCP | Quantized Classical Path (method For Calcg. Quantum-mech. Rate Consts.) |
| UAMO | Unprojected Alternant Molecular Orbital |
| AMOSC | Australian Marine Oil Spill Center |
| EEA | European Environment Agency |
| PPAC | Parallel-plate Avalanche Counter |
| RFE | Relative Fit Error |
| MCR | Metabolic Clearance Rate |
| FO-NACME | First-order Nonadiabatic Coupling Matrix Elements |
| CMF | Crossflow Microfiltration |
| MOV | Motor Operated Valve |