| Acronym | Meaning |
| ESDN | Electron Stimulated Desorption Of Neutrals |
| SRPS | Synchrotron Radiation Photoelectron Spectroscopy |
| OBS-MCSC | Optimized Basis Set-multiconfiguration Spin Coupled |
| TSCAP | Thermally Stimulated Capacitance |
| PAC | Powdered Activated Carbon |
| HEM | Heat-exchanger Method (in Manuf. Of Crystalline Silicon) |
| TPD | Temperature Programmed Desorption (for Gas Chromatography) |
| CLIM | Climate Change Database (accessible Through OLS) |
| AJCC | American Joint Committee On Cancer |
| LREE | Light Rare Earth Element(s) |