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单词 extinction
释义

Definition of extinction in English:

extinction

noun ɛkˈstɪŋ(k)ʃ(ə)nɪkˈstɪŋ(k)ʃ(ə)nɪkˈstɪŋ(k)ʃ(ə)n
mass noun
  • 1The state or process of being or becoming extinct.

    (生物的种、科或更大种群的)灭绝,绝种

    the extinction of the great auk

    大海鸦的灭绝。

    count noun mass extinctions

    大量灭绝。

    Example sentencesExamples
    • Some explanations for extinctions and evolution include strikes by asteroids or comets.
    • Global mass extinctions are usually explained by one or more physico-chemical causes.
    • Scientists are sharply divided over what caused the extinction.
    • Prominent biologists say we're on par with the five previous mass extinctions in the history of life on earth.
    • We have more difficulty with the concept of mass extinctions.
    • Unlike previous mass extinctions this current episode is due to the disruptive activities of just one species, man.
    • Marine fossil evidence tells of numerous extinctions, global mass extinction, and geochemical events.
    • There have been at least five mass extinctions till now, all by natural forces.
    • Regardless of the variables he plugged in, the presence of human hunters triggered mass extinctions.
    • There have been five major mass extinctions and more than 20 minor mass extinctions.
    • I recall hearing some scientist mention that mass extinctions seem to occur in very ordered cycles.
    • Note that several Cambrian and early Ordovician mass extinctions are not shown here.
    • Globally, diversity naturally has increased over time, though the great mass extinctions have decreased it for a while.
    • Are we headed for mass extinctions for animal, bird and plant life?
    • But how do mass extinctions perturb these systems in the first place?
    • We're facing critical mass extinctions across a whole variety of ecosystems once the two degree level has been crossed, from coral reefs to rainforests.
    • The result will be a series of mass extinctions and a dramatic fall in the planet's biodiversity, as well as its ability to support humankind.
    • During these ice ages, the decrease in global temperature led to mass extinctions.
    • Each event includes one or more datum points when extinctions and other biotic changes took place.
    • He downplayed the importance of developmental constraints, of mass extinctions, and species selection.
    Synonyms
    dying out, disappearance, vanishing, death
    extermination, destruction, elimination, eradication, annihilation
    1. 1.1 The wiping out of a debt.
      (债务的)偿清
      a private debt extinction fund
      Example sentencesExamples
      • The policy of Immediate debt extinction was initiated by Gallalin.
      • The principle of automatic extinction of the claim/debt on confusion has adverse consequences in the capital markets.
      Synonyms
      elimination, removal, suppression
  • 2Physics
    Reduction to zero in the intensity of light or other radiation as it passes through a medium, due to absorption, reflection, or scattering.

    〔物理〕消光

    ultraviolet extinction

    紫外线消光。

    Example sentencesExamples
    • In addition, it may be due to possible variation in the light extinction coefficient between seasons or during the crop growth period.
    • It is evident from this figure that with increasing (leaf angle) the light extinction in the leaf community decreases.
    • The pattern of turnover within a stage is important for understanding the mechanisms of radiation and extinction.
    • The concentration was employed to transform the experimentally obtained absorption into extinction coefficient spectra.
    • Will improved classification schemes allow better understanding of extinction and radiation events?

Origin

Late Middle English: from Latin exstinctio(n-), from exstinguere 'quench' (see extinguish).

Rhymes

distinction, intinction

Definition of extinction in US English:

extinction

nounɪkˈstɪŋ(k)ʃ(ə)nikˈstiNG(k)SH(ə)n
  • 1The state or process of a species, family, or larger group being or becoming extinct.

    (生物的种、科或更大种群的)灭绝,绝种

    the extinction of the great auk

    大海鸦的灭绝。

    mass extinctions

    大量灭绝。

    Example sentencesExamples
    • The result will be a series of mass extinctions and a dramatic fall in the planet's biodiversity, as well as its ability to support humankind.
    • He downplayed the importance of developmental constraints, of mass extinctions, and species selection.
    • Scientists are sharply divided over what caused the extinction.
    • Each event includes one or more datum points when extinctions and other biotic changes took place.
    • There have been five major mass extinctions and more than 20 minor mass extinctions.
    • There have been at least five mass extinctions till now, all by natural forces.
    • Note that several Cambrian and early Ordovician mass extinctions are not shown here.
    • Prominent biologists say we're on par with the five previous mass extinctions in the history of life on earth.
    • Globally, diversity naturally has increased over time, though the great mass extinctions have decreased it for a while.
    • Regardless of the variables he plugged in, the presence of human hunters triggered mass extinctions.
    • Global mass extinctions are usually explained by one or more physico-chemical causes.
    • I recall hearing some scientist mention that mass extinctions seem to occur in very ordered cycles.
    • During these ice ages, the decrease in global temperature led to mass extinctions.
    • Unlike previous mass extinctions this current episode is due to the disruptive activities of just one species, man.
    • Are we headed for mass extinctions for animal, bird and plant life?
    • We're facing critical mass extinctions across a whole variety of ecosystems once the two degree level has been crossed, from coral reefs to rainforests.
    • Marine fossil evidence tells of numerous extinctions, global mass extinction, and geochemical events.
    • We have more difficulty with the concept of mass extinctions.
    • But how do mass extinctions perturb these systems in the first place?
    • Some explanations for extinctions and evolution include strikes by asteroids or comets.
    Synonyms
    dying out, disappearance, vanishing, death
    1. 1.1 The wiping out of a debt.
      (债务的)偿清
      Example sentencesExamples
      • The policy of Immediate debt extinction was initiated by Gallalin.
      • The principle of automatic extinction of the claim/debt on confusion has adverse consequences in the capital markets.
      Synonyms
      elimination, removal, suppression
  • 2Physics
    Reduction in the intensity of light or other radiation as it passes through a medium or object, due to absorption, reflection, and scattering.

    〔物理〕消光

    ultraviolet extinction

    紫外线消光。

    Example sentencesExamples
    • It is evident from this figure that with increasing (leaf angle) the light extinction in the leaf community decreases.
    • Will improved classification schemes allow better understanding of extinction and radiation events?
    • In addition, it may be due to possible variation in the light extinction coefficient between seasons or during the crop growth period.
    • The pattern of turnover within a stage is important for understanding the mechanisms of radiation and extinction.
    • The concentration was employed to transform the experimentally obtained absorption into extinction coefficient spectra.

Origin

Late Middle English: from Latin exstinctio(n-), from exstinguere ‘quench’ (see extinguish).

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更新时间:2024/9/21 11:28:51