| Acronym | Meaning |
| DFZ | Dislocation Free Zone |
| OZIPM | Ozone Isopleth Plotting With Optional Mechanisms |
| GO | Gaussian Overlap (approxn. In Mol. Calcns.) |
| FOMBT | First-order Many-body Theory |
| WQR | Waste Form Qualification Report |
| FYNES | Fluorescence Yield Near Edge Spectroscopy |
| CASS | Cyclic Activated Sludge System |
| MOFT | Minimum Oil Film Thickness |
| HFO | Hartree-Fock Orbital |
| ARSCF | Approximate Relativistic SCF |