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  • Definition
    • extinction :no longer active; extinguished
      • the extinction of the volcano

    • extinction :no longer in existence
      • the extinction of a species

    • extinction :complete annihilation
      • they think a meteor cause the extinction of the dinosaurs

    • extinction :the act of extinguishing; causing to stop burning
      • the extinction of the lights

    • extinction :the reduction of the intensity of radiation as a consequence of absorption and radiation

      • extinction :a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus

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      • Derivative