| Acronym | Meaning |
| MRI | Magnetic Resonance Imaging |
| REX | Reactive Extrusion |
| IZA | International Zeolite Association |
| RIFS | Reflectometric Interference Spectroscopy |
| PIN | Pesticide Information Network |
| CSRO | Chemical Short-range Order |
| ALRSS | Advanced Land Remote Sensing System |
| MCR | Metabolic Clearance Rate |
| GBH | Gravel Bed Hydroponic System (for Wastewater Treatment) |
| AETE | Absorption-energy Transfer-emission |