| Acronym | Meaning |
| CEOOWG | Commercial Earth And Ocean Observations Working Group |
| FOEA | First-order Eikonal Approximation |
| TWV | Trinkwasserverordnung (German Drinking Water Ordinance) |
| PRESS | Point Resolved Spectroscopy |
| HCS | Hazard Communication Standard |
| FTR | Frustrated Total Reflection |
| AFPAL | Air Force Phillips Astronautics Laboratory (USA) |
| GWPM | Gaussian Wave-packet Method |
| AFC | Assimilation (with) Fractional Crystallization (geochemistry) |
| FDCD | Fluorescence Detected Circular Dichroism |