| Acronym | Meaning |
| ARIMAX | Auto Regressive Integrated Moving Average With Exogeneous Input Model |
| DISC | Death-inducing Signaling Complex |
| FFAR | Fuel And Fuel Additive Registration |
| IBD | Ion Beam Deposition |
| MBSS | Molecular Beam Surface Scattering |
| QSEX | Quadrature Selective Excitation |
| NPOC | Nonpurgeable Organic Carbon |
| OA | Office Of The Administrator |
| TMWAM | Turkey-Mersey Watershed Acidification Model |
| RDF | Refuse Derived Fuel |