| Acronym | Meaning |
| CCMGA | Core-corrected Modified Glauber Approxn. (for Scattering) |
| MSD | Mass Selective Detector |
| VSD | Virtually Safe Dose |
| AID | Agency For International Development |
| STD | Safely Tolerated Dose |
| CDE | Collective Dose Equivalent |
| ARPA | Advanced Research Projects Agency |
| BCM | Bond Charge Model (in Force Constants Calcn.) |
| KHP | Potassium Hydrogen Phthalate |
| ESA | Electron Stimulated Adsorption |