| Acronym | Meaning |
| CHAOS | Canadian High Acceptance Orbit Spectrometer |
| IDP | Inosine 5'-diphosphate |
| FRES | Forward Recoil Emission Spectrometry |
| EDXS | Energy-dispersive X-ray Spectroscopy |
| ERAQS | Eastern Regional Air Quality Study |
| MOLLI | Modular Luminescence Lifetime Imaging System |
| SPASE | South Pole Air Shower Expt. |
| PDF | Probability Density Function |
| GRIN | Graded Index |
| TSH | Thyroid-stimulating Hormone |