extinction : | |||||||||||||
the act of extinguishing; causing to stop burning; "the extinction of the lights" a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus complete annihilation; "they think a meteor cause the extinction of the dinosaurs" the reduction of the intensity of radiation as a consequence of absorption and radiation no longer in existence; "the extinction of a species" no longer active; extinguished; "the extinction of the volcano" |
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