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词汇 chlorosis
释义

Definition of chlorosis in English:

chlorosis

nounPlural chloroses klɒˈrəʊsɪsklɔˈroʊsəs
mass noun
  • 1Botany
    Loss of the normal green coloration of leaves of plants, caused by iron deficiency in lime-rich soils, disease, or lack of light.

    〔植〕缺绿症;退绿

    Example sentencesExamples
    • Like their plant-sucking cousins, whiteflies pierce leaf tissues causing noticeable wilting, chlorosis, loss of leaves and/or stunted growth.
    • Although it is rare, too much zinc can cause symptoms similar to iron or magnesium chlorosis.
    • Magnesium is an essential element in the chlorophyll molecule, and so chlorosis is a common symptom of magnesium deficiency.
    • Iron deficiency is characterized by an interveinal chlorosis of young leaves while the veins remain green.
    • At the end of the experimental period leaves of these plants showed symptoms of chlorosis.
  • 2Medicine
    Anaemia caused by iron deficiency, especially in adolescent girls, causing a pale, faintly greenish complexion.

    〔医〕萎黄病,绿色贫血

    Example sentencesExamples
    • Victims of chlorosis were usually maidens in their middle teens.
    • Between 1870 and 1920, chlorosis, a form of anemia, was widely reported in female adolescents in the United States.

Derivatives

  • chlorotic

  • adjective kləˈrɒtɪk
    • In A. thaliana, the iron signal showed a progressive increase from healthy non-infected leaves to green areas of infected leaves and to chlorotic areas of infected leaves.
      Example sentencesExamples
      • However, the combination of glucose and ABA caused an inhibition of early wild-type seedling growth that resulted in underdeveloped plantlets that were chlorotic and anthocyanic.
      • The team was first formed in the 1960s in response to a dual epidemic of maize chlorotic dwarf virus and a potyvirus, maize dwarf mosaic virus, that devastated Ohio's cornfields.
      • Chlorosis was only due to Fe deficiency, since the application of Fe salts or Fe chelates to the chlorotic leaves produced complete leaf regreening.
      • If the foliage turns chlorotic (indicated by yellow leaves with green veins), spray it with a foliar food containing chelated iron and the minor nutrients listed above.

Rhymes

apotheosis, cirrhosis, diagnosis, halitosis, hypnosis, kenosis, meiosis, metempsychosis, misdiagnosis, mononucleosis, myxomatosis, necrosis, neurosis, osmosis, osteoporosis, prognosis, psittacosis, psychosis, sclerosis, symbiosis, thrombosis, toxoplasmosis, trichinosis, tuberculosis

Definition of chlorosis in US English:

chlorosis

nounklɔˈroʊsəsklôˈrōsəs
  • 1Botany
    Abnormal reduction or loss of the normal green coloration of leaves of plants, typically caused by iron deficiency in lime-rich soils, or by disease or lack of light.

    〔植〕缺绿症;退绿

    Example sentencesExamples
    • At the end of the experimental period leaves of these plants showed symptoms of chlorosis.
    • Magnesium is an essential element in the chlorophyll molecule, and so chlorosis is a common symptom of magnesium deficiency.
    • Like their plant-sucking cousins, whiteflies pierce leaf tissues causing noticeable wilting, chlorosis, loss of leaves and/or stunted growth.
    • Iron deficiency is characterized by an interveinal chlorosis of young leaves while the veins remain green.
    • Although it is rare, too much zinc can cause symptoms similar to iron or magnesium chlorosis.
  • 2Medicine
    Anemia caused by iron deficiency, especially in adolescent girls, causing a pale, faintly greenish complexion. It was a common diagnosis in the 19th century.

    〔医〕萎黄病,绿色贫血

    Example sentencesExamples
    • Victims of chlorosis were usually maidens in their middle teens.
    • Between 1870 and 1920, chlorosis, a form of anemia, was widely reported in female adolescents in the United States.
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