| Acronym | Meaning |
| OEP-SIC | Optimized Effective Potential Self-interaction Correction |
| FFP | Femtosecond Flash Photolysis |
| MNDO/H | MNDO For H-bonded Systems |
| SIA | Sequential Injection Analysis |
| IMPEACH-MBC | Improved Performance Accordion Heteronuclear Multiple-bond Correlation |
| HIFU | High-intensity Focused Ultrasound |
| SSAO | Semicarbazide-sensitive Amine Oxidase |
| EMS | Electron Momentum Spectroscopy |
| CCTM | Coupled-channel Transition Matrix (in Atom-surface Scattering) |
| GSO | General Spin Orbital |