| Acronym | Meaning |
| HFKS | Hartree-Fock-Kohn-Sham (density-functional Theory) |
| WASP | Wiskott-Aldrich Syndrome Protein |
| CIGARS | Calibrated Infrared Ground/air Radiometric Spectrometer |
| ESW | Electroslag Welding |
| MRI | Magnetic Resonance Imaging |
| DMBE | Double Many-body Expansion (in Potential Energy Surface Calcn.) |
| KT | Koopmans Theorem |
| EMSA | Electron Microscopy Society Of America |
| FY | Fiscal Year |
| IR | Isoprene Rubber |