| Acronym | Definition |
|---|
| ACCP | Aerosol, Cloud, Convection and Precipitation |
| AEW | Architecture Evaluation Workshop |
| AIT | Applications Impact Team |
| AMES | Ames Research Center |
| AOS | Atmosphere Observing System |
| AR | Assessment Report |
| BOL | Beginning Of Life |
| BS | Backscatter |
| CBE | Current Best Estimate |
| CDC | Collaborative Design Center |
| CEMA | Cost Estimating, Modeling, & Analysis Office |
| CNES | National Centre for Space Studies |
| CSA | Canadian Space Agency |
| DLR | Deutsches Zentrum
für Luft- und Raumfahrt (German Aerospace Center) |
| EOL | End Of Life |
| FOV | Field Of View |
| Freq | Frequency |
| GHz | Gigahertz |
| GPM | Global Precipitation Measurement |
| GRC | Glenn Research Center |
| GSFC | Goddard Space Flight Center |
| HGA | High-Gain Antenna |
| HQ | Headquarters |
| HSRL | High Spectral Resolution Lidar |
| IPCC | Intergovernmental Panel on Climate Change |
| JAXA | Japan Aerospace Exploration Agency |
| JPL | Jet Propulsion Laboratory |
| L/V | Launch Vehicle |
| LaRC | Langley Research Center |
| LGA | Low-Gain Antenna |
| Lidar | Light Detection and Ranging |
| LWIR | Long Wave Infrared |
| m/s | Meters per second |
| MEL | Master Equipment List |
| MEV | Maximum Expected Value |
| mm/h | Millimeters per hour |
| MSFC | Marshall Space Flight Center |
| NIR | Near Infrared |
| OA | Orbit Average |
| PAL | Project Authorization Letter |
| PDF | Portable Document Format |
| Pk | Peak |
| PM | Particulate matter |
| PoR | Program of Record |
| Radar | RAdio Detection And Ranging |
| RWA | Reaction Wheel Assembly |
| S/C | Spacecraft |
| SALT | Science/Applications Leadership Team |
| SATM | Science and Applications Traceability Matrix |
| SBG | Surface Biology and Geology |
| SET | Systems Engineering Team |
| SIT | Science Impact Team |
| SMT | Study Management Team |
| SNR | Signal-to-Noise Ratio |
| STC | Stereo Camera |
| SWIR | Short Wave Infrared |
| TBD | To Be Determined |
| TIM | Total Irradiance Monitor |
| TIR | Thermal Imaging Radar |
| TRA | Technology Readiness Assessment |
| UV/VIS | Ultraviolet/Visible |
| WL | Wavelength |
