| Acronym | Meaning |
| RZM | Root Zone Method (of Wastewater Treatment) |
| GDC | Global Drifter Center (of WOCE Data System) |
| GH | Growth Hormone |
| MGA | Modified Glauber Approxn. (in Atom-particle Scattering) |
| GOOS | Global Ocean Observing System (IOC) |
| RPIPC | Reversed-phase Ion-pair Chromatography |
| CRL | Certified Reporting Limit |
| LIF | Laser Induced Fluorescence |
| DIOS | Desorption-ionization On Silicon |
| NKB | Nachklarbecken; Secondary Settling Tank |