| Acronym | Meaning |
| TTHM | Total Trihalomethane |
| ANPP | Aboveground Net Primary Production |
| CATSI | Compact Atmospheric Sounding Interferometer |
| HSI | Hyperthermal Surface Ionization |
| ATF | Automatic Transmission Fluid |
| MDC | Maxwell Displacement Current |
| SODAR | Sound Detection And Ranging (meteorological Instrument) |
| RARE | Rapid Acquisition Relaxation-enhanced |
| SIPOS | Semi-insulating Polycrystalline Silicon |
| LLRW | Low Level Radioactive Waste |