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.
Root rot and chlorosis, a yellow veining of the leaves, can occur with too much water. Karen Brewer Grossman, Southern Living, 7 Aug. 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 10 Sep. 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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