| Acronym | Meaning |
| MOVBET | Molecular Orbital (into) Valence Bond Exponential Transformation |
| DI | Direct Injection (engine; Diesel) |
| GX | Generalized Exchange |
| TSME | Two-state Molecular Expansion (method In Collisions Calcn.) |
| CSIA | Compd.-specific Isotope Anal. |
| TFE | Thermionic Fuel Element |
| EMR | Electronically Mediated Reaction |
| QUPID | Quantum Path Integral (mol.) Dynamics (method In Mol. Calcns.) |
| SGM | Scale Glass Melter |
| CSA | Chemical-shift Anisotropy |