| Acronym | Meaning |
| DMBE | Double Many-body Expansion (in Potential Energy Surface Calcn.) |
| HMIX | Hazardous Materials Information Exchange |
| IESWTR | Interim Enhanced Surface Water Treatment Rule |
| DAW | Dry Active Waste |
| LEEMS | Low Energy Electron Mass Spectroscopy |
| HFCVD | Hot Filament Chemical Vapor Deposition |
| IPA | Inverted Perturbation Approach (in Mol. Potential-energy Curves Calcn.) |
| ASA | American Society Of Agronomy |
| MTDNA | Mitochondrial DNA |
| VRE | Vancomycin-resistant Enterococci |