| Acronym | Meaning |
| MFO | Mixed-function Oxidase |
| PRESS | Point Resolved Spectroscopy |
| VO | Valence Orbital |
| ZEKE | Zero Electron Kinetic Energy |
| AISIT | Automatic Intelligent Sampler For Inorganic Trace Constituents |
| RCP | Recursive Correlation Partitioning |
| CIAP | Climate Impact Assessment Program |
| PDF | Pair Distribution Function |
| SP | Surface Potential |
| BOTDA | Brillouin Optical Time Domain Analysis |