| Acronym | Meaning |
| WLF | Williams-Ferry-Landel [viscosity Math. Relation/parameter] |
| FSMRCC | Fock Space Multireference Coupled Cluster |
| HWRIC | Hazardous Waste Research And Information Center |
| LVM-ST | Least-squares Variational Method (involving Only) Square-integrable (test Functions) (for Wave Functions In Scattering) |
| RTDM | Rough Terrain Dispersion Model (air Quality) |
| MVR | Mechanical Vapor Recompression (evaporator) |
| SOILVENT | Soil Venting Model |
| DOP | Dissolved Organic Phosphorus |
| PCB | Printed Circuit Boards |
| LNO | Localized Natural Orbital |