| Acronym | Meaning |
| IGLO | Individual Gauge For Localized Orbital |
| AMV | Alfalfa Mosaic Virus |
| MNT | Molecular Nanotechnology |
| FEI | Fire And Explosion Index |
| EFISH | Elec. Field-induced 2nd-harmonic Generation |
| VPN | Virtual Private Network |
| NSO | Natural Spin Orbitals |
| CBO | Corrected Born-Oppenheimer (in Calcns. For Mol. Complexes) |
| ADPD | Angular-dependent Photoelectron Diffraction |
| ASPEN | Advanced System For Process Engineering (DOE Software Package) |