| Acronym | Meaning |
| ADI | Acceptable Daily Intake |
| HIRS | High Infrared Radiometer (or Radiation) Sounder |
| ISBN | International Standard Book Number |
| AMSG | Appropriate Military Systems Guide |
| EPICS | Energetic Pion Channel And Spectrometer |
| JSPO | Joint Systems Program Office |
| NASN | NASN Cascade Impacter In Aerosol Studies |
| HIS | High-resolution Infrared Sounder |
| ESSC | Earth System Science Committee |
| GCIP | GEWEX Continental-Scale International Project |