| Acronym | Meaning |
| EDWA | Exponential Distorted-wave Approxn. (atom-ion Electron-exchange Calcns.) |
| PEOE | Partial Equalization Of Orbital Electronegativity (model) |
| SMIL | Synchronized Multimedia Integration Language |
| MTOF | Mass Time-Of-Flight |
| SLIT | Solid-liq. Intermol. Transfer |
| IDO | Initial Dissolved Oxygen |
| RQTOX | Reportable Quantities For Chronically Toxic Hazardous Substances |
| HAEC | Human Aortic Endothelial Cell |
| ACRS | Advisory Committee On Reactor Safeguards |
| JPDR | Japan Power Demonstration Reactor |