backscatter
/ˈbækˌskætər/
noun
- The reflection or scattering of waves or particles back in the direction from which they came, especially in radar, X-ray, or other imaging technologies.
- The radar detected backscatter from the storm clouds, helping forecasters predict heavy rain.
- Airport security scanners use backscatter X-rays to reveal hidden objects on a person's body.
- Scientists studied the backscatter of sunlight off the ocean surface to measure wave heights.
verb
- To reflect or scatter waves or particles back toward the source.
- The satellite's instruments measure how much sunlight the Earth's atmosphere backscatters.
- The metal surface backscatters radio waves, causing interference in the signal.
- Certain materials backscatter X-rays more strongly than others, making them visible in scans.
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