| Acronym | Meaning |
| NIWR | National Institute For Water Research (South Africa) |
| NDIR | Nondispersive Infrared Analysis |
| DARA | Disposal Area Remedial Action |
| QPF | Quantitative Precipitation Forecasts |
| ESE | Extended-surface Electrolysis |
| VDU | Visual Display Unit |
| HTSS | Hierarchical Tree Substructure Search |
| FTR | Frustrated Total Reflection |
| LMC | Laminated Metal Composite |
| PEYS | Photoelectron Yield Spectroscopy |