| Acronym | Meaning |
| NRDA | Natural Resource Damage Assessment |
| HRS | Hazard Ranking System |
| BHSIP | Bottom-hole Shut-in Pressure |
| UHE | Ultra-high Energy |
| RD/RA | Remedial Design/Remedial Action |
| HSV | Herpes Simplex Virus |
| WMT | Warped Muffin-tin Approximation |
| GME | Generalized Master Equation (in Quantum Statistical Mechanics) |
| CCWP | Close-coupling Wave-packet (for Mol. Scattering) |
| HSSPME | Headspace Solid-phase Microextraction |