| Acronym | Meaning |
| SWRO | Seawater Reverse Osmosis |
| MPN | Most Probable Number |
| HMG | High Mobility Group |
| HAN | Heavy Aromatic Naphtha |
| AEA-MO | All-electron Approxn.-mol. Orbital |
| EWPCA | European Water Pollution Control Association |
| MCH | Melanin Concentrating Hormone |
| FC | Frozen Core (approxn. For Electron-atom Scattering Calcns.) |
| TIP | Temperature-independent Paramagnetism |
| LIBS | Laser-induced Breakdown Spectroscopy |