| Acronym | Meaning |
| HRV | Heart Rate Variability |
| HID | High Interstitial Defect |
| APFU | Atoms Per Formula Unit |
| LLRD | Long-lived Radioactive Dust |
| ADGIXA | Angular-dependent Glancing-incidence X-ray Analysis |
| FIA | Fluorescence Immunoassay |
| RACS | Response Action Contractors |
| IMPACT | Integrated Model Of Plumes And Atmosphere In Complex Terrain |
| BS | Breathing Sphere (approxn. In Mol.-scattering Calcns.) |
| ISIS | Image-selected In Vivo Spectroscopy |