| Acronym | Meaning |
| OCOS | Orbital Charge-ordering State |
| USDW | Underground Source Drinking Water |
| MODS | Magneto-Optical Difference Spectroscopy |
| RME | Reasonably Maximally Exposed |
| RPE | Retinal Pigment Epithelium |
| PEM | Performance Evaluation Material |
| EPS | Emission Preprocessor System |
| NGDC | National Geophysical Data Center |
| GT | Gelfand-Tsetlin Basis Function |
| SRO | Short Range Order |