| Acronym | Meaning |
| SCLC | Small Cell Lung Cancer |
| ICSS | Intracranial Self-stimulation |
| IASI | Infrared Atmospheric Sounding Interferometer |
| SCP-IOS | Semiclassical Perturbation-infinite Order Sudden |
| CDD | Charge-density Distortion |
| GDF | Generalized Density-functional (theory) |
| PCSFC | Packed Column Supercritical Fluid Chromatography |
| RAPW | Relativistic Augmented Plane Wave |
| TPOT | Two-parameter Omega Technique |
| UA | United Atom |