| Acronym | Meaning |
| NES | US National Eutrophication Study |
| GRIDS | Geographic Resources Information And Data System |
| ERM | Electron Redistribution Model |
| WPS | Wet Powder Spraying (in Ceramics Manuf.) |
| GEH | Generalized Effective Hamiltonian |
| SIRNA | Small Interfering RNA |
| TEAM | Testing Electromagnetic Analysis Methods |
| ARF | Acute Renal Failure |
| RPIPC | Reversed-phase Ion-pair Chromatography |
| PAW | Projector Augmented-wave [ab-initio Method] |