deflection of radiation or particles through an angle of 180°.
radiation or particles that have been deflected in this way.
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
[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
backscatter in other Oxford dictionaries
Definition of backscatter in the US English dictionary