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Extinction

ɪkˈstɪŋ(k)ʃn

Extinction definitions
noun
extinction extinctions
  1. the fact or process of a species, family, or other group of animals or plants becoming extinct

    "preventing the extinction of this unique frog will require the restoration of ponds and surrounding habitats"

    • the process of a particular thing ceasing to exist

      "he joined the chorus of those predicting the extinction of newsprint"

    • the wiping out of a debt

      "a private debt extinction fund"

  2. reduction to zero in the intensity of light or other radiation as it passes through a medium, due to absorption, reflection, or scattering

    "ultraviolet extinction"