| Acronym | Meaning |
| MF | Modifying Factor (in Oral RfD) |
| MAOT | Maximum Allowable Operating Temperature For Stationary Phase |
| DZ | Double Zeta (basis Set) |
| SUE | Sudden Expansion Burner |
| EPMA | Electron Probe Microanalysis |
| MRAIRS | Multiple Reflection-absorption Infrared Spectroscopy |
| EHEC | Enterohemorrhagic Escherichia Coli |
| STP | Slater-transform-preuss (wave Functions) |
| CSH | Centrifugal Sudden Hyperspherical (coordinate Reactive Scattering Code) |
| AIRS | Atmospheric Information Retrieval System |