| Acronym | Meaning |
| FIS | Field Ion Spectroscopy |
| DSN | Deep Space Network |
| CA | Corrective Action |
| ZPC | Zero-point (energy) Corrections |
| MC CI | Multiconfigurational Configuration Interaction |
| XAS | X-ray Absorption Spectroscopy |
| CSCT | US EPA Consortium For Site Characterization Technology |
| ERMM | Effective R-matrix Model (in Reactive Electron-mol. Scattering) |
| MMO | Mixed-mode Oscillation |
| POAM | Polar Ozone And Aerosol Measurements |