| Acronym | Meaning |
| USDI | US Department Of Interior |
| HAEC | Human Aortic Endothelial Cell |
| FONDA | First-order Nondegenerate Adiabatic (theory For Electron-mol. Inelastic Scattering) |
| DCTS | Discharging Current Transient Spectroscopy |
| NTGS | Air/Superfund National Technical Guidance Study |
| DOCKET | Enforcement Docket |
| UCAS-SCF | Unrestricted Complete Active Space Self-consistent Field |
| ERIS | Electrostatic Reflex Ion Source |
| CAP | Complex Absorbing Potential |
| DSRT | Deep Sea Reversing Thermometer |