| Acronym | Meaning |
| CCPA | Constant Centrifugal Potential Approximation |
| GOS | Generalized Oscillator Strength |
| GA | Glauber Approximation (in Electron-atom Scattering) |
| AMAD | Activity Median Aerodynamic Diameter |
| SAMI | Southern Appalachian Mountains Initiative |
| LNB | Low Nitrogen Oxide Burner |
| BSF | Below Sea Floor |
| DMA | Differential Mobility Analyzer |
| COSE | Committee On Optical Science And Engineering |
| NAPBN | National Air Pollution Background Network |