[bak-skat-er or bak-skat-er-ing]
the deflection of nuclear particles or of radiation in a scattering process through an angle greater than 90°.
Origin of backscatter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The deflection of radiation or particles by electromagnetic or nuclear forces through angles greater than 90° to the initial direction of travel.
The radiation or particles so deflected.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.