| Acronym | Meaning |
 | HALOE | Halogen Occultation Experiment |
| MPEC | Multi-Purpose Experiment Canister |
| TIG | Time Of (until) Ignition |
| CDA | Command And Data Acquisition |
| ISAMS | Improved Stratospheric And Mesospheric Sounder |
| PVO | Pioneer Venus Orbiter / Protivo-Vosdushniya Oborona |
| HF | High Frequency |
| AACS | Attitude And Articulation Control Subsystem |
| IR | InfraRed |
| CD-ROM | Compact Disk Read-Only Memory |
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