| Acronym | Meaning |
| PCF | Plasma Centrifugal Furnace |
| PLSR | Partial Least-squares Regression |
| IEM | Independent Electron Model (for Ionization In Ion-atom Collisions) |
| SDA | Subsurface Disposal Area |
| VCI | Variational Configuration Interaction (quantum Calcn. Method) |
| MRBW | Multireference Brillouin-Wigner |
| SHRP | Strategic Highway Research Program |
| ECHIC | Evaporative Compact High-intensity Cooler |
| ASEMP | Active Sites Environmental Monitoring Program |
| GPT | Generalized Pseudopotential Theory |