| Acronym | Meaning |
| ASTER | Assessment Tools For The Evaluation Of Risk |
| SLMO | Symmetry-adapted Semilocalized Molecular Orbital |
| MERT | Modified Effective-range Theory (for Electron-mol. Scattering) |
| LSDSIC | Local-spin-density Self-interaction-correction Approxn. (in Total Energy Calcns. For Atoms) |
| CGA | Chromogranin A |
| NRD | Natural Resource Damage |
| MEHT | Modified Extended Hueckel Theory |
| IWS | Ionizing Wet Scrubber |
| ENR | Endogenous Nitrate Respiration |
| CFSE | Crystal Field Stabilization Energy |