| Acronym | Meaning |
| EMP | Electrostatic Molecular Potential (for Electronic-structure) |
| CHARM | Complex Hazardous Air Release Model |
| CC-VTZ | Correlation Consistent-valence Triple Zeta (basis Set) |
| NIEL | Non-ionizing Energy Loss |
| UHF | Unrestricted Hartree-Fock |
| BCC | Basal Cell Carcinoma |
| FCA | Fuzzy Cluster Analysis |
| QDT | Quantum-defect Theory |
| PECAM | Platelet Endothelial Cell Adhesion Molecule |
| DIVAH | Diagonally Corrected Vibrationally Adiabatic Hyperspherical (theory In Scattering Calcns.) |