| Acronym | Meaning |
| DRIFT | Diffuse Reflectance IR Fourier Transform |
| SPF | Simons-Parr-Finlan (potential Function) |
| NSTL | Near Surface Transition Layer |
| MAGW | Momentum-averaged Gaussian-weighted (method In Calcns. Of Electron-momentum Distributions) |
| CCRSP | California Cooperative Remote Sensing Project |
| LKKR | Layer Korringa-Kohn-Rostoker (in Interface Electronic Structures) |
| LADD | Lifetime Average Daily Dose |
| HCA | Hazardous Communication Act |
| DWE | Distorted-wave (approxn. With) Exchange |
| LEC | Liquid Encapsulated Czochralski |