| Acronym | Meaning |
| NLC | Nematic Liq. Crystal |
| ANSI | American National Standards Institute |
| RBCODUR | Readily Biodegradable Chemical Oxygen Demand Uptake Rate |
| BGA | Bundesgesundheitamt (German Health Ministry) |
| OTEC | Open Tubular Electrochromatography |
| CMB | Chemical Mass Balance |
| UMINDO | Spin-unrestricted Modified Intermediate Neglect Of Differential Overlap |
| SIDLTS | Scanning Ion Deep Level Transient Spectroscopy |
| SEESR | Simultaneous Electrochemical-electron Spin Resonance |
| NERC | North American Electric Reliability Council |