| Acronym | Meaning |
| LOX | Liquid Oxygen |
| NMCSCF | Numerical Multiconfiguration Self-consistent Field |
| AST | Aboveground Storage Tank |
| VSEPR | Valence-shell Electron-pair Repulsion |
| FMVCP | Federal Motor Vehicle Control Program |
| RSK | Rajagopal-Singhal-Kimball (local-spin-d. Potential For Electronic Structure Calcns.) |
| CCSEM | Computer-controlled Scanning Electron Microscopy |
| REP | Radiological Emergency Planning |
| EAA | Essential Amino Acids |
| PET | Photoinduced Electron Transfer |