| Acronym | Meaning |
| ALE | Atmospheric Lifetime Experiment |
| GLF | Gaussian Lobe Function |
| EPMA | Electron Probe Microanalysis |
| CPF | Cancer Potency Factor |
| PRESS | Prediction Error Sum Of Squares |
| LKKR | Layer Korringa-Kohn-Rostoker (in Interface Electronic Structures) |
| ORAC | Organic Reaction Accessed By Computer |
| BSBL | Bond Strength-bond Length (model Of Atom Abstraction Reaction) |
| FC | Frozen Core (approxn. For Electron-atom Scattering Calcns.) |
| SCLC | Space Charge Limited Current |