| Acronym | Meaning |
| OPIA | Optical Precision Instrument Associates |
| MLTCS | Mesosphere-lower Thermosphere Coupling Study |
| MCV | Mesoscale Convective Vortex |
| TAP | Toxic Air Pollutant |
| NESC | National Environmental Supercomputing Center |
| LET | Light-emitting Transistor |
| COLD | Computer Output To Laser Disk |
| PSOM | Pseudostate Optical Model |
| 3DWQM | Chesapeake Bay Three Dimensional Time Variable Water Quality Model |
| PLO | Partially Localized Orbital |