| Acronym | Meaning |
| TRACE | Transition Region And Coronal Explorer |
| IDL | Interactive Display Language |
| MSIS | Mass Spectrometer And Incoherent Scatter |
| APET | Accident Progression Event Tree |
| GFLOPS | Gigaflops |
| UVDM | Ultraviolet Double Monochromator |
| JPS | Joint Planning Staff |
| MODD | Meteorological And Omega Data Digitizer |
| AWEA | American Wind Energy Association |
| AFA | American Forestry Association |