
Backscatter
    
    WordNet
        verb
(1)   Scatter (radiation) by the atoms of the medium through which it passes
        WiktionaryText
        Noun
- The deflection of particles and/or radiation by nuclear and/or electromagnetic forces through angles greater than 90 degrees to the original direction of travel.
- The particles and/or radiation deflected in this manner.
- A portion of the energy or a laser that is scattered back in the seeker's direction by an obscurant.


