| Acronym | Meaning |
| HESS | High Energy Stereoscopic System |
| SECH | Screened Exchange Plus Coulomb Hole Method |
| DRAWS | Dipolar Recoupling With A Windowless Sequence |
| OBK3 | Third-order Oppenheimer-Brinkman-Kramers |
| ROSE | Residual Oil Supercritical Extraction |
| RQTOX | Reportable Quantities For Chronically Toxic Hazardous Substances |
| NCMET | Nonclosed Shell Many Electron Theory |
| IME | Interdigitated Microsensor Electrode |
| PARISS | Prism And Reflector Imaging Spectroscopy System |
| CS | Centrifugal Sudden (approximation) |