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chlorosis

noun

chlo·​ro·​sis klə-ˈrō-səs How to pronounce chlorosis (audio)
1
: an iron-deficiency anemia especially of adolescent girls that may impart a greenish tint to the skin

called also greensickness

2
: a diseased condition in green plants marked by yellowing or blanching
chlorotic adjective

Examples of chlorosis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For example, chlorosis may occur on plants growing in neutral or alkaline soil. Kim Toscano, Southern Living, 25 Nov. 2025 Tallow or beef fat is usually pale, off-white, sometimes yellow: complexion was a key sign of chlorosis, which was named with a Greek word meaning pale, pallid, or yellow-green. Matthew Wills, JSTOR Daily, 27 Sep. 2025 Due to the alkaline soil in Southern California, gardenias and other acid-loving plants such as azaleas, blueberry bushes, and coffee trees may exhibit a condition known as interveinal chlorosis; on older leaves, veins are green while spaces in between the veins are yellow. Joshua Siskin, Oc Register, 26 July 2025 For example, chlorosis, a yellowing between leaf veins, may indicate a need for more nitrogen, iron or manganese. Beth Botts, Chicago Tribune, 26 July 2025

Word History

First Known Use

1678, in the meaning defined at sense 1

Time Traveler
The first known use of chlorosis was in 1678

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Cite this Entry

“Chlorosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chlorosis. Accessed 2 Dec. 2025.

Medical Definition

chlorosis

noun
chlo·​ro·​sis klə-ˈrō-səs How to pronounce chlorosis (audio)
plural chloroses -ˌsēz How to pronounce chlorosis (audio)
: an iron-deficiency anemia especially of adolescent girls that may impart a greenish tint to the skin

called also greensickness

chlorotic adjective

More from Merriam-Webster on chlorosis

Last Updated: - Updated example sentences
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