| Acronym | Meaning |
| WARMF | Watershed Anal. Risk Management Framework |
| VEH | Valence Effective Hamiltonian Method (for Electronic Structure) |
| CRF | Chromatographic Response Function |
| GMP | Generalized Moeller-Plesset (perturbation Theory) |
| CBOD | Carbonaceous Biochemical Oxygen Demand |
| SPUMPN | Single-annihilation Procedure Unrestricted Moeller-Plesset Nth-order |
| IAHE | International Association For Hydrogen Energy |
| HESP | Human Exposure To Soil Pollutants |
| EAA | Environmental Assessment Association |
| EMZDO | Exchange Modified Zero Differential Overlap |