| Acronym | Meaning |
| EUMAC | European Modeling Of Atmospheric Constituents |
| MRD-CI | Multireference Determinant Configuration Interaction |
| TPPM | Two-pulse Phase Modulation |
| BOAW | Bond-order Alternation Wave |
| BOHS | British Occupational Hygiene Society |
| JFCA | Japan Fine Ceramics Association |
| ECAMSI | Electron Configuration Analysis For Many-system Interactions |
| PEN | Personal Electronic Notebook |
| CSA | Coupled Static Approxn. (in Scattering Calcns.) |
| DXS | Diffuse X-ray Scattering |