| Acronym | Meaning |
| VU-CC | Valence Universal-coupled Cluster |
| SODART | Soviet Danish Roentgen Telescope |
| SEC | Size Exclusion Chromatography |
| FMAR | Ferromagnetic Antiresonance |
| SCC-IEH | Self-consistent Charge-iterative Extended Hueckel |
| HW | Hazardous Waste |
| UCHFPT | Uncoupled Hartree-Fock Perturbation Theory |
| TSEE | Thermally Stimulated Exoelectron Emission |
| RCHF | Relaxed-core Hartree-Fock (approxn. In Calcns. On Mol. K-shell Excitation Spectra) |
| EQTC | Environmental Quality Target Concentration |