| Acronym | Meaning |
| CBD | Chronic Beryllium Disease |
| NBSB | National Biomonitoring Specimen Bank |
| EDWA | Exponential Distorted-wave Approxn. (atom-ion Electron-exchange Calcns.) |
| MAE | Microalloying Elements |
| KRHF | Kramers Restricted Hartree-Fock |
| IGCP | International Geological Correlation Program |
| LMO | Localized Molecular Spin Orbital |
| MAWP | Maximum Allowable Working Pressure |
| SBMO | Subjacent Molecular Orbital |
| STPM | Scanning Thermopower Microscopy |