| Acronym | Meaning |
| SPG | Shirasu Porous Glass |
| MLD | Median Lethal Dose |
| PO-DVR | Potential Optimized-discrete Variable Representation |
| GSMO | Ground-state Molecular Orbital |
| IDO | Initial Dissolved Oxygen |
| ND | Nitrification Denitrification |
| EAES | Electron-excited Auger Electron Spectroscopy |
| GUS | Groundwater Ubiquity Score |
| AISIT | Automatic Intelligent Sampler For Inorganic Trace Constituents |
| GIT | Gastrointestinal Tract |