| Acronym | Meaning |
| ERP | Event-related Potential |
| UHV | Ultra High Vacuum |
| NIEHS | National Institute Of Environmental Health Science |
| EIAP | Environmental Impact Analysis Process |
| DWRF | Drinking Water Research Foundation |
| EMSA | Electron Microscopy Society Of America |
| XGRS | X-ray/gamma-ray Spectrometer |
| SAFIR | Single Aperture Far-Infrared Observatory |
| GMAW | Gas Metal Arc Welding |
| TBM | Tight Binding Model |