| Acronym | Meaning |
| RAFA | Rank Annihilation Factor Analysis |
| CVD | Cardiovascular Disease |
| STEAM | Stratosphere-Troposphere Exchange And Climate Monitor |
| TWA | Time-weighted Average Limit |
| NOW | Nonhazardous Oil Field Waste |
| UVCS | UV Coronagraph Spectrometer |
| ARIMAX | Auto Regressive Integrated Moving Average With Exogeneous Input Model |
| EIA | Energy Information Administration (DOE) |
| GCMFE | Glassy Carbon Mercury Film Electrode |
| CHIRP | Core-hole Initiated Relaxation Process (in Ionic Crystals) |