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   extinction

   /ɪkˈstɪŋ(k)ʃn/

   noun

   • 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"

   Word Origin late Middle English: from Latin exstinctio(n-), from exstinguere ‘quench’ (see extinguish).

   Scrabble Points: 19

   • E

     1

   • X

     8

   • T

     1

   • I

     1

   • N

     1

   • C

     3

   • T

     1

   • I

     1

   • O

     1

   • N

     1

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