| Acronym | Meaning |
| EFOIA | Electronic Freedom Of Information Act |
| UHFQ | Unrestricted Hartree-Fock With Quartet Annihilation |
| FIDA | Fluorescence Intensity Distribution Analysis |
| EB | Extended Basis (set) |
| TCDE | Two-center Dirac Equation |
| NSTL | Near Surface Transition Layer |
| SAD | Selected Area Diffraction Patterns (crystal Chemistry) |
| SGWD | Submarine Groundwater Discharge |
| MOLE | Molecular Optics Laser Examiner |
| RSW | Resistance Spot Welding |