| Acronym | Meaning |
| ZOLZ | Zero Order Laue Zone |
| AUDM | Advanced Unified Defect Model |
| MAMBO | Mars Atm. Microwave Brightness Observer |
| GCCP | Global Climate Change Program |
| UF | Uncertainty Factor (in Oral RfD) |
| IRGA | Infrared Gas Analyzer |
| TRSERS | Time-resolved Surface Enhanced Raman Spectroscopy |
| FMOS | Flavin-containing Monooxygenases |
| LRCI | Low-rank Configuration Interaction |
| PPBA | Plane-wave Plane-wave Born Approximation |