| Acronym | Meaning |
| UV | UltraViolet |
| HZ | Hertz |
| HIRIS | HIgh-Resolution Imaging Spectrometer (EOS) |
| MODIS | MODerate-resolution Imaging Spectroradiometer (EOS) |
| SAB | Satellite Applications Branch (old. NESDIS) |
| IRIS | Infrared Radiation Interferometer Spectrometer (1960s) |
| MSG | Meteosat Second Generation |
| H2O | Water (vapor) |
| CAC | Climate Analysis Center |
| DCS | Data Collection System (NOAA Polar Orbiting Satellites) |