| Acronym | Meaning |
| IDL | Interface Definition Language |
| VM/SP | Virtual Machine/System Product |
| CDR | Circular Depolarization Ratio |
| LAPB | Local Analysis And Prediction Branch |
| ACGIH | American Conference Of Governmental Industrial Hygienists |
| PCDS | Pilot Climate Data System |
| DCA | Washington National Airport |
| SPL | SLATEC Plotting Library |
| QPF | Quantitative Prediction Of Precipitation |
| CACGP | Commission On Atmospheric Chemistry And Global Pollution |