| Acronym | Meaning |
| AUBF | Anaerobic Upflow Biofilter |
| BOTDR | Brillouin Optical Time Domain Reflectometry |
| A/CNK | [Al2O3/(CaO + Na2O + K2O)] (Shand's Index) |
| HCA | Human Carbonic Anhydrase |
| MISPE | Molecularly Imprinted Solid Phase Extraction |
| WLA | Waste Load Allocation |
| LEMAO | Least Energy Minimal Atomic Orbital |
| TIMS | Technical Information Management System |
| VD-RIOS | Vibrational Diabatic-rotational Infinite Order Sudden |
| DRP | Deutsches Reichpatent |