| Acronym | Meaning |
| LVQ | Learning Vector Quantization |
| UF | Ultrafiltration (water Treatment) |
| PISCES | Power Plant Integrated Systems: Chem. Emission Studies |
| PUCHF | Perturbed Uncoupled Hartree-Fock |
| UARS | Upper Atmosphere Research Satellite |
| NPA | Natural Population Analysis (for Electron Configuration Of Mols.) |
| LCGTO-LDF | Linear Combination Of Gaussian-type Orbitals-local Density Functional |
| DPT | Degenerate Perturbation Theory |
| RFEC | Remote Field Eddy Current |
| LADD | Lowest Acceptable Daily Dose |