| Acronym | Meaning |
| SNO | Spin Natural Orbital |
| RF | Response Factor |
| CLIDE | Chemical Literature Data Extraction |
| TMP | Turbomolecular Pump |
| WKB | Wentzel-Kramers-Brillouin (phase-shift Formula For Potential Scattering) |
| HRELS | High-resolution Electron Energy-loss Spectroscopy |
| MPN | Most Probable Number |
| CAIRA | Chemical Accident/incident Response And Assistance |
| DWBA3(3DWBA) | Three-body Distorted-wave Born Approximation |
| MOX | Mixed Oxide |