| Acronym | Meaning |
| ECNI | Electron Capture Negative Ionization |
| CPI | Carbon Preference Index |
| BPCD | Bipolar Pulse Conductivity Detector |
| FCC | Flat Collect Circuit (in Solar Cell Array For Spacecraft) |
| WFPC2 | Wide Field Planetary Camera 2 |
| CRL | Certified Reporting Limit |
| SSC | Sudden Storm Commencement (magnetic Storm) |
| DCPAES | Direct Current Plasma Atomic Emission Spectrometry |
| TROESY | Transverse Rotating-frame Overhauser Effect Spectroscopy |
| IDSA | Infectious Diseases Society Of America |