| Acronym | Meaning |
| NEGF | Nonequilibrium Green Function |
| HYSCORE | Hyperfine Sublevel Correlation Spectroscopy |
| AAR | Alkali-aggregate Reaction |
| NCWQ | National Commission On Water Quality |
| AA | Assistant Administrator |
| IOSVR | Infinite Order Sudden Vib-rotor Approximation |
| RNN | Recurrent Neural Network |
| WDXRF | Wavelength Dispersive X-Ray Fluorescence |
| CID | Collision-induced Dissociation |
| QELS | Quasi-Elastic Light Scattering |