| Acronym | Meaning |
| Z-R | Relationship |
| ICEX | Ice Experiment |
| IDL | Interface Definition Language |
| DRD&DAA | Environmental Research |
| IGB | International Geophysical Bulletin |
| EM-SCATTERING | Electromagnetic Scattering |
| EACR | Environmental Area Characterization Report |
| UNOLS | University-National Oceanographic Laboratory System |
| QSO | Quasi-stellar Object |
| ENACEOS | Energetic Neutral Atom Camera For EOS |