| Acronym | Meaning |
| CFM | Central Field Model |
| WFPC2 | Wide Field Planetary Camera 2 |
| THMFP | Trihalomethane Formation Potential |
| MIF | Migration Inhibitory Factor |
| RFA | Renormalized Free Atom (model |
| SEVB | Semiempirical Valence Bond |
| PDK | Pyruvate Dehydrogenase Kinase |
| PIRU | Public Information Reference Unit |
| MNDO-HE | Modified Neglect Of Diatomic Overlap-half Electron |
| NSSS | Nuclear Steam Supply System |