| Acronym | Meaning |
| VCC-IOS | Vibrational Close-coupling-(rotational) Infinite-order Sudden (for Inelastic Mol. Collisions Calcns.) |
| MIEHM | Modified Iterative Extended Hueckel Method |
| ERPF | Effective Renal Plasma Flow |
| GSA | Generalized Sudden Approximation |
| SNAP | Soluble NSF Attachment Protein |
| NAREL | National Air And Radiation Environmental Laboratory |
| STMAS | Satellite Transition Magic-angle-spinning |
| CGTO | Contracted Gaussian-type Orbital |
| EXPRESSO | Experiment For Regional Sources And Sinks Of Oxidants |
| GFEMO | Generalized Free Electron Molecular Orbital |