Definition of chlorosis in English:


See synonyms for chlorosis on


  • 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.

    ‘Like their plant-sucking cousins, whiteflies pierce leaf tissues causing noticeable wilting, chlorosis, loss of leaves and/or stunted growth.’
    • ‘At the end of the experimental period leaves of these plants showed symptoms of chlorosis.’
    • ‘Iron deficiency is characterized by an interveinal chlorosis of young leaves while the veins remain green.’
    • ‘Magnesium is an essential element in the chlorophyll molecule, and so chlorosis is a common symptom of magnesium deficiency.’
    • ‘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.

    ‘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.’



/klôˈrōsəs/ /klɔˈroʊsəs/