| Acronym | Meaning |
| AFASE | Association For Applied Solar Energy |
| DDS | Data Delivery Services |
| C&DH | Command And Data Handling |
| IAD | Dulles International Airport |
| ESR | Electron Spin Resonance |
| ELCHEM | Electrified Clouds As Sources Of NOx |
| EXPRESSO | EXPeriment For REgional Sources And Sinks Of Oxidants |
| (C4) | Center For Clouds |
| ABTRES | Abatement & Residual Forecasting Model |
| FAL | Frontier Airline |