| Acronym | Meaning |
| ATERIS | Air Toxics Exposure And Risk Information System |
| HSI | Heat Stress Index |
| ICHAZ | Intercritical Heat-affected Zone |
| VO | Valence Orbital |
| PDI | Polydispersity Index |
| ITRI | Inhalation Toxicology Research Institute |
| ARAES | Angular Resolved Auger Electron Spectroscopy |
| SOP/EA | Split-operator Propagator (for) Electronically Adiabatic (phenomena) |
| SCF | Stem Cell Factor |
| E-2PH-TDA | Extended Two-particle-hole Tamm-Dancoff Approxn. (green-function Method For Ionization-energy Calcns.) |