| Acronym | Meaning |
| MADIX | Macromolecular Design Via The Interchange Of Xanthates (polymn. Using Xanthates As Chain Transfer Agents) |
| CMBR | Completely Mixed Batch Reactor |
| GIWA | Global International Waters Assessment |
| IRMDR | Infrared Microwave Double Resonance |
| VSTEP | Vertical-to-surface Transmission Electrophotonic Device |
| CWA | Clean Water Act |
| RZM | Root Zone Method (of Wastewater Treatment) |
| SCTB | Self-consistent Tight-binding (in Electronic Structure) |
| HCS | Heliospheric Current Sheet |
| EPS | Extracellular Polymeric Substances |