Extinction

Portuguese Meaning

extinção

aniquilação

desaparecimento

English Meaning

  1. The act of extinguishing.
  2. The condition of being extinguished.
  3. The fact of being extinct or the process of becoming extinct: "The most effective agent in the extinction of species is the pressure of other species” ( Alfred R. Wallace).
  4. Psychology A reduction or a loss in the strength or rate of a conditioned response when the unconditioned stimulus or reinforcement is withheld.
  5. Physiology A gradual decrease in the excitability of a nerve to a previously adequate stimulus, usually resulting in total loss of excitability.

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