Pronunciation: /ˈbakskatə/
noun
[mass noun] Physics-
deflection of radiation or particles through an angle of 180°.
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radiation or particles that have been deflected in this way.
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Photography light from a flashgun or other light source that is deflected directly into a lens: backscatter causes an underexposed picture with a blizzard effect
verb
[with object] Physics-
deflect (radiation or particles) through an angle of 180°: the temperature of an optical fibre subtly affects how much light is backscattered (as adjective backscattered) backscattered sound reaches the sonar receiver