Meaning of EXTINCTION
| Pronunciation: | | ik'stingkshun
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 WordNet Dictionary |
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- [n] the act of extinguishing; causing to stop burning; "the extinction of the lights"
- [n] a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
- [n] complete annihilation; "they think a meteor cause the extinction of the dinosaurs"
- [n] the reduction of the intensity of radiation as a consequence of absorption and radiation
- [n] no longer in existence; "the extinction of a species"
- [n] no longer active; extinguished; "the extinction of the volcano"
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| | Synonyms: | | defunctness, experimental extinction, extermination, extinguishing, quenching |
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| | See Also: | | absorption, action, activity, annihilation, conclusion, conditioning, death, disintegration, ending, inaction, inactiveness, inactivity, natural action, natural process, scattering, termination | |
| Webster's 1913 Dictionary |
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| | Definition: | | \Ex*tinc"tion\, n. [L. extinctio, exstinction: cf. F.
extinction.]
1. The act of extinguishing or making extinct; a putting an
end to; the act of putting out or destroying light, fire,
life, activity, influence, etc.
2. State of being extinguished or of ceasing to be;
destruction; suppression; as, the extinction of life, of a
family, of a quarrel, of claim.
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| Biology Dictionary |
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| | Definition: | | The death of an entire species. |
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| Glossary |
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| | Definition: | | the disappearance of a population. |
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| Thesaurus Terms |
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| | Related Terms: | | abolishment, abolition, abscission, amputation, annihilation, annulment, bane, biological death, blackout, blocking, burning out, burnout, cessation of life, choking, choking off, clinical death, controlling, crossing the bar, curtains, damping, death, death knell, debt of nature, decease, dematerialization, demise, departure, deracination, destruction, disappearance, disappearing, dispersion, dissipation, dissolution, dissolving, doom, dousing, dying, ebb of life, eclipse, elimination, end, end of life, ending, eradication, erasure, eternal rest, evanescence, evaporation, excision, exclusion, exit, expiration, extermination, extinguishment, extirpation, fadeaway, fadeout, fading, final summons, finger of death, fire fighting, flame-out, going, going off, going out, grave, hand of death, jaws of death, knell, last debt, last muster, last rest, last roundup, last sleep, leaving life, liquidation, loss of life, making an end, melting, mutilation, negation, nullification, occultation, parting, passing, passing away, passing over, perishing, purge, putting out, quenching, quietus, release, rescission, rest, reward, rooting out, sentence of death, shades of death, shadow of death, silencing, sleep, smotheration, smothering, snuffing, snuffing out, somatic death, stifling, strangulation, suffocation, summons of death, suppression, uprooting, vanishing, vanishing point, voiding, wipe |
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