| Acronym | Meaning |
| HSOS-CCSD | High-spin Open-shell-CCSD |
| AISI | American Iron And Steel Institute |
| AIADC(3) | Ab Initio Third-order Algebraic Diagrammatic Construction Green Function Method |
| PTR-MS | Proton Transfer Reaction-mass Spectrometry |
| MASH | MgO-Al2O3-SiO2-H2O System |
| XPM | Cross-phase Modulation |
| D-SIC | Degeneracy-dependent Self-interaction Correction |
| INO | Iterative Natural Orbital |
| CHELP | CHarges From ELectrostatic Potential |
| UTL | Upper Tolerance Limit |