| Acronym | Meaning |
| PNRA | Photon-tagged Nuclear Reaction Analysis |
| O/E | Observed Number/expected Number Ratio = Relative Risk |
| HPV | Human Papillomavirus |
| MES | Molecular Emission Spectroscopy |
| WEDM | Wire Electric Discharge Machining |
| HRCT | High-Resolution Computed Tomography |
| PNDDO | Partial Neglect Of Diatomic Differential Overlap |
| HRS | Hazard Ranking System |
| UMIX | User-Manufacturer Information EXchange |
| ASTHO | Association Of State And Territorial Health Officers |