| Acronym | Meaning |
| TURA | Toxics Use Reduction Act 1989 |
| FO-ECP | Frozen Orbital-effective Core Potential |
| BEIR | Advisors Committee On The Biological Effects Of Ionizing Radiation |
| MNDOD | Modified Neglect Of Diatomic Overlap With D At. Orbitals |
| SFRC | Spruce-Fir Research Cooperative |
| EBCT | Electron Beam Computed Tomography |
| LSDA | Local Spin Density Approximation |
| BWIP | Basalt Waste Isolation Project |
| MRCI | Multireference Configuration Interaction |
| MEXA | Multiple-energy X-ray Absorptiometry |