| Acronym | Meaning |
| TEC | Thermal Expansion Coefficient |
| AMT | Audio-magneto-telluric Method |
| FPC | Fixed Partial Charge |
| PBDD | Polybrominated Dibenzodioxin(s) |
| PEDRI | Proton-electron Double-resonance Imaging |
| AFC | Automatic Frequency Control |
| GSA | Generalized Sudden Approximation |
| HUG | HART User Group |
| BAC-MP4 | Bond-additivity-corrected Moeller-Plesset 4th-order Perturbation |
| CCDW | Commensurate Charge-density Wave |