| Acronym | Meaning |
| ASCENT | Atmospheric Sounding |
| ACATS | Airborne Chromatograph For Atmospheric Trace Species |
| FTIR | Fourier Transformed Infrared |
| DNO | Do Not Operate |
| PPP | Parallelizing PreProcessor |
| AOO | Anticipated Operational Occurrence |
| BDL | Boundary Layer |
| CCM1 | Community Climate Model 1 |
| ICSI | International Commission On Snow And Ice |
| TOA | Top Of The Atmosphere |