| Acronym | Meaning |
| CHF | Coupled Hartree-Fock |
| FEMO | Free-electron Molecular Orbital |
| CNOC | Commission On Nomenclature Of Organic Chemistry |
| RHIC | Relativistic Heavy-Ion Collider |
| TDA-2PH | Two-particle One Hole Tamm-Dancoff Approximation |
| PPBA | Plane-wave Plane-wave Born Approximation |
| PSSCF | Pseudo SCF |
| MMAD | Mass Median Aerodynamic Diameter (aerosol) |
| SAW | Surface Acoustic Wave |
| APF | Acidulated Phosphate Fluoride |