chlorosis

noun
chlo·​ro·​sis | \klə-ˈrō-səs \

Definition of chlorosis 

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

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Other Words from chlorosis

chlorotic \ -​ˈrä-​tik \ adjective

Examples of chlorosis in a Sentence

Recent Examples on the Web

That’s why one of the important warning signs of nitrogen deficiency is yellowing, pale green leaves—especially if this chlorosis develops in the oldest leaves—and indolent plant growth despite fine weather. Beth Hanson, Good Housekeeping, "Grow Healthier Crops Using These Natural Nitrogen Sources," 24 Aug. 2015 Hot and dry weather is hard on trees and can exacerbate chlorosis symptoms. Tim Johnson, chicagotribune.com, "Lack of chlorophyll may be culprit behind tree's yellow leaves," 3 Apr. 2018 River birches generally develop chlorosis in alkaline soils with a pH higher than 6.5. Tim Johnson, chicagotribune.com, "Lack of chlorophyll may be culprit behind tree's yellow leaves," 3 Apr. 2018 With soft maples, the problem is iron chlorosis, which can be solved with an annual application of three pounds of sulfur per 100 square feet around the spread of the tree during the fall or winter months. Dick Crum, Indianapolis Star, "Dr. Dirt: Magnolia not commonly grown in Central Indiana," 20 Oct. 2017 Other nutrient imbalances in the soil can cause chlorosis symptoms too. Tim Johnson, chicagotribune.com, "Birch tree dropping brown leaves?," 19 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chlorosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of chlorosis

1678, in the meaning defined at sense 1

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Time Traveler for chlorosis

The first known use of chlorosis was in 1678

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More Definitions for chlorosis

chlorosis

noun
chlo·​ro·​sis | \klə-ˈrō-səs \
plural chloroses\ -​ˌsēz \

Medical Definition of chlorosis 

: an iron-deficiency anemia especially of adolescent girls that may impart a greenish tint to the skin

called also greensickness

Other Words from chlorosis

chlorotic \ -​ˈrät-​ik \ adjective

More from Merriam-Webster on chlorosis

Britannica.com: Encyclopedia article about chlorosis

Comments on chlorosis

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