| Acronym | Meaning |
| LEFI | Local Electric Field Instrument |
| HFF | Hellmann-Feynman Force Approximation |
| ZOLZ | Zero Order Laue Zone |
| PSD | Post-source Decay |
| FIRST | Field-portable Imaging Radiometric Spectrometer Technology |
| CLD | Certainly Lethal Dose |
| MOS | Metal Oxide Semiconductor (FET Devices) |
| NDIR | Nondispersive Infrared Analysis |
| MEN1 | Multiple Endocrine Neoplasia Type 1 |
| PTSA | Pressure And Temperature Swing Adsorption |