#extinction  the reduction of the intensity of radiation as a consequence of absorption and radiation
  supertype:  natural_process__naturalproces__natural_action__naturalaction__action__activity  a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
  part:  absorption  (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium; "the absorption of photons by atoms or molecules"
  part:  scattering  the physical process in which particles are deflected haphazardly as a result of collisions

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