| Acronym | Meaning |
| RDO | Reduced Density Operator |
| EQCIS | Electrochemical Quartz Crystal Impedance System |
| GERD | Gastroesophageal Reflux Disease |
| SORC | Strong Off-resonant Comb |
| ISTEA | Intermodal Surface Transportation Efficiency Act |
| MOPW | Modified Orthogonalized Plane Wave |
| FVC | Forced Vital Capacity (lung Function) |
| CPED | Convergent Probe Electron Diffraction |
| ESSESA | Expert System For Structure Elucidation From Spectral Analysis |
| TDMCSCF | Time-dependent MC-SCF |