| Acronym | Meaning |
| ECCI | Electron Channeling Contrast Imaging |
| CASV-MC-SCF | Complete Active Space Valence Space-multiconfiguration-SCF |
| SIMBA | Selective Inverse Multiple Bond Analysis |
| ALCA | American Leather Chemists' Association |
| ESSP | Earth Systems Science Pathfinder |
| ARF | ADP-ribosidation Factor |
| RSCPA | Reduced (second Order) Self-consistent Phonon Approxn. (a Green-function Calcn. Method) |
| SEAR | Surfactant-enhanced Aquifer Remediation |
| SMSO | Spinor Molecular Symmetry Orbital |
| WQMSGL | Water Quality Modeling System For The Great Lakes |