| Acronym | Meaning |
| CS | Chemical Shift |
| UDWA | Unitarized Distorted-wave Approximation |
| X-SAR | X-Band Synthetic Aperture Radar |
| AGN | Active Galactic Nuclei |
| QUASAR | Quality Simulation Along Rivers (environmental Model) |
| HMC | Human Mast Cell |
| NSSN | National Standards Systems Network |
| VSWR | Voltage Standing Wave Ratio |
| TGMA | Task Group Of Metal Accumulation |
| RDS | Reflectance-difference Spectroscopy |