| Acronym | Meaning |
| CHEQ | Chelation Enhanced Quenching |
| GPT | Glutamic Pyruvic Transaminase |
| RSM | Reduction Symmetry Method (in Crystal Field Theory) |
| HBGF | Heparin-binding Growth Factor |
| PID | Photoionization Detector (gas Chromatography) |
| ERMS | Emergency Radiation Monitoring System |
| CAI | Compression After Impact |
| NADP | National Atmospheric Deposition Program |
| SRLS | Stimulated Raman Loss Spectroscopy |
| WFPC2 | Wide Field Planetary Camera 2 |