backscatter

1. (countable, uncountable)The deflection of particles or radiation through angles greater than 90 degrees to the original direction of travel.

   обратное рассе́яниеobratnoje rasséjanije, рассе́яние наза́дrasséjanije nazád

2. (countable, uncountable)The particles or radiation deflected in this manner.

3. (countable, uncountable)A portion of the energy of electromagnetic radiation such as a laser or radio waves that is scattered back in the direction of the source of radiation by an obscurant.

   обратное рассе́яниеobratnoje rasséjanije

4. (countable, uncountable)The sending of IP packets to essentially random addresses in response to incoming packets that have a spoofed origin.

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• back scatteralternative
• back-scatteralternative