| 1. |
(noun) the act of extinguishing; causing to stop burning; "the extinction of the lights" |
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Synonyms: extinguishing, quenching |
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Related Words: conclusion, ending, termination |
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| 2. |
(noun) a learning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus |
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Synonyms: experimental extinction |
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Related Words: acquisition, learning |
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| 3. |
(noun) complete annihilation; "they think a meteor cause the extinction of the dinosaurs" |
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Synonyms: extermination |
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Related Words: annihilation, disintegration |
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| 4. |
(noun) the reduction of the intensity of radiation as a consequence of absorption and radiation |
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Related Words: action, activity, natural action, natural process |
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| 5. |
(noun) no longer in existence; "the extinction of a species" |
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Synonyms: defunctness |
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Related Words: death |
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| 6. |
(noun) no longer active; extinguished; "the extinction of the volcano" |
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Related Words: inaction, inactiveness, inactivity |
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