| Acronym | Meaning |
| GFN | Grain Fineness Number |
| SLMTO | Surface Linear (combination) Of Muffin-tin Orbitals |
| EDA | European Desalination Association |
| VASE | Variable Angle Spectroscopic Ellipsometry |
| ANF | Atrial Natriuretic Factor |
| MERD | Metal-enhanced Reductive Dehalogenation |
| HSDP | Hawaiian Scientific Drilling Project |
| POC | Particulate Organic Carbon |
| TGCE | Thermal Gradient Capillary Electrophoresis |
| WEF | Water Environment Federation (formerly WPCF) |