| Acronym | Meaning |
| MF | Modifying Factor (in Oral RfD) |
| CTARC | Chemical Testing And Assessment Research Commission |
| MEI | Maximally Exposed Individual |
| SUE | Sudden Expansion Burner |
| CHESS | Cornell High-Energy Synchrotron Source |
| DAXRT | Double-axis Reflection X-ray Topography |
| SCBC | Self-consistent Basis And Configuration |
| SHRIMP | Scalar Heteromolecular Recoupled Interactions By Multiple Phase |
| CAM | Complex Angular Momentum (for Rotationally Inelastic Scattering) |
| MCSX | Multiconfiguration Single Excitation |