| Acronym | Meaning |
| ETS | Electron Transmission Spectroscopy |
| GRIDS | Geographic Resources Information And Data System |
| MCP | Model Core Potential |
| FPD | Flat Panel Display |
| AGU | American Geophysical Union |
| POEMS | Plasma Optical Emission Mass Spectrometer |
| WCDF | Worse Case Dilution Factor (in Receiving Water) |
| RASS | Ratio Acoustic Sounding System |
| HEDG | High Efficiency Deep Grinding |
| CBS-FCI | Complete Basis Set-full Configuration Interaction |