| Acronym | Meaning |
| IDF | International Dairy Federation |
| MFC | Multiconfigurational Frozen Core (approxn. For Electron-atom Scattering Calcns.) |
| FAFS | Flame Atomic Fluorescence Spectroscopy |
| UMER | Ultrasonically Modulated Electron Resonance |
| APSIS | Athenian Photochem. Smog Intercomparison Of Simulations |
| BCT | Best Conventional Technology |
| CPR | Chemically Perturbed Region |
| NPDES | National Pollutant Discharge Elimination System |
| NSE | Nonlinear Schroedinger Equation |
| AF | Audio Frequency |