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).

词汇	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 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 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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