| Acronym | Meaning |
| AMS | Accelerator Mass Spectrometer |
| APD | Avalanche Photodiode |
| VOCS | Volatile Organic Compounds |
| UHF | Ultra-high Frequency |
| DOJ | Department Of Justice |
| FFRDCS | Federally Funded Research And Development Centers |
| CALCOMP | California Computer Products |
| NVAP | NASA Water Vapor Project |
| CCCS | Change And Configuration Control System |
| PRMS | Precipitation Runoff Modeling System |