| Acronym | Meaning |
| FSGF | FREEON Symmetric Group Formulation (of Hartree-Fock Theory) |
| RKRVL | Rydberg-Klein-Rees-Vanderslice-Lakshman (for Potential Energy) |
| SCAUA | Semiclassical Approxn. United Atom |
| EUV | Extreme Ultraviolet |
| HCMV | Human Cytomegalovirus |
| DFFT | Double Forward Fourier Transformation |
| BAL | Bronchoalveolar Lavage |
| RUDAD | RUmen-Derived Anaerobic Digester |
| IRFPA | IR Focal Plane Array |
| SEDM | State/EPA Data Management |