chlorosis

American  

[klaw-roh-sis, kloh-] / klɔˈroʊ sɪs, kloʊ- /

noun

1. an abnormally yellow color of plant tissues, resulting from partial failure to develop chlorophyll, caused by a nutrient deficiency or the activities of a pathogen.

2. Also called greensickness. Pathology. a benign type of iron-deficiency anemia in adolescent girls, marked by a pale yellow-green complexion.

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chlorosis British  

/ klɔːˈrəʊsɪs /

noun

1. Also called: greensickness. pathol a disorder, formerly common in adolescent girls, characterized by pale greenish-yellow skin, weakness, and palpitation and caused by insufficient iron in the body

2. botany a deficiency of chlorophyll in green plants caused by mineral deficiency, lack of light, disease, etc, the leaves appearing uncharacteristically pale

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chlorosis Scientific  

/ klə-rō′sĭs /

1. The yellowing or whitening of normally green plant tissue because of loss or decreased production of chlorophyll, often as a result of disease, insufficient light, or inadequate sources of iron and magnesium.

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Other Word Forms

• chlorotic
  adjective
• chlorotically
  adverb

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Etymology

Origin of chlorosis

First recorded in 1675–85; chlor- ¹ + -osis

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Example Sentences

See Examples For:

chlorosis

In 1936, chlorosis was officially demolished as a condition.

From Slate ● Dec. 14, 2012

Victims of chlorosis were usually maidens in their middle teens.

From Time Magazine Archive

We inspected it several times a day, vigilant for signs of under- or overwatering, too much or too little sun, spider mites, drafts, chlorosis, general malaise.

From "The Evolution of Calpurnia Tate" by Jacqueline Kelly

They are recommended for their utility in rheumatism, scrofula, chronic affections of the abdominal viscera, leucorrhœa, chlorosis, but more particularly in diseases of the skin.

From Memoranda on Tours and Touraine Including remarks on the climate with a sketch of the Botany And Geology of the Province also on the Wines and Mineral Waters of France by J. H. Holdsworth

The chlorosis is another disease owing to the deficient action of the absorbents of the liver, and perhaps in some degree also to that of the secretory vessels, or glands, which compose that viscus.

From Zoonomia, Vol. II Or, the Laws of Organic Life by Erasmus Darwin

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