EXTINCTION

/ɪkˈstɪŋkʃ(ə)n/ Scrabble 19 Words With Friends 22

Scrabble letter values: E1X8T1I1N1C3T1I1O1N1 = 19

Definition

  1. noun no longer active.
  2. noun no longer in existence. — synonyms: defunctness
  3. noun the reduction of the intensity of radiation as a consequence of absorption and radiation.
  4. noun complete annihilation. — synonyms: extermination
  5. noun a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus. — synonyms: experimental_extinction
  6. noun the act of extinguishing. — synonyms: extinguishing, quenching

Examples

  • “extinguished”
  • “the extinction of the volcano”
  • “the extinction of a species”

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