| Acronym | Meaning |
| WQC | Water Quality Criteria |
| PAES | Positron-induced Auger Electron Spectroscopy |
| ICBA | Improved (final-state) Coulomb Born Approximation |
| GLS | Generalized Least Squares |
| HV | Vickers Hardness Number |
| TOFD | Time Of Flight Diffraction |
| BOHS | British Occupational Hygiene Society |
| FAS | Flame Absorption Spectroscopy |
| LOVA | Lowest-order Variational Approxn. (for Electron-phonon Interactions In Metals) |
| NL-SCF | Nonlocal (density Functional)-self-consistent Field |