| Acronym | Meaning |
| CDBF | Chlorinated Dibenzofurans |
| HCS | Heliospheric Current Sheet |
| ODS | Oxide Dispersion-strengthened |
| SBA | Second Born Approximation |
| CSGT | Continuous Set Of Gauge Transformations |
| PAG | Periaqueductal Gray |
| BDAT | Best Demonstrated Available Technology |
| WQMSGL | Water Quality Modeling System For The Great Lakes |
| API | Active Pharmaceutical Ingredient |
| IESWTR | Interim Enhanced Surface Water Treatment Rule |