Dictionary

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extinction

English

🔊 the act of extinguishing
“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🔊 no longer active
“the extinction of the volcano”