| Acronym | Meaning |
| OETP | Orbiter Electron Temp. Probe |
| TED | Thermal Electron Detectors |
| MPMMG | Marine Pollution Monitoring Management Group (UK) |
| NIMBY | Not In My Backyard |
| CODIS | Combined DNA Index System |
| RISC | Reduced-instruction-set Computer |
| TSD | Technical Support Document |
| OD | Optical Density |
| ATH | Aluminum Trihydrate |
| ENAC | Energetic Neutral Atom Camera |