chlorosis

noun
chlo·​ro·​sis | \ klə-ˈrō-səs How to pronounce chlorosis (audio) \

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 \ klə-​ˈrä-​tik How to pronounce chlorotic (audio) \ adjective

Examples of chlorosis in a Sentence

Recent Examples on the Web Yellowed leaves with green veins is called chlorosis; applying fertilizer containing iron chelate according to label instructions can help correct the problem. Sunset Magazine, "50+ Things to Do in Your Garden Now," 10 Sep. 2020 Rhododendrons don’t need much fertilizing, unless the soil isn’t acid enough and leaves turn yellow between the veins (a condition called chlorosis). Steve Bender, Southern Living, "Spectacular Rhododendrons: How To Grow and Care for the Popular Shrub," 8 June 2020 With chlorosis, leaves can look burned but stems will regrow leaves next spring. oregonlive, "Can I harvest neglected garlic bulbs now? Ask an expert," 22 Feb. 2020 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

Time Traveler

The first known use of chlorosis was in 1678

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Statistics for chlorosis

Last Updated

24 Sep 2020

Cite this Entry

“Chlorosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chlorosis. Accessed 25 Sep. 2020.

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More Definitions for chlorosis

chlorosis

noun
chlo·​ro·​sis | \ klə-ˈrō-səs How to pronounce chlorosis (audio) \
plural chloroses\ -​ˌsēz How to pronounce chloroses (audio) \

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 How to pronounce chlorotic (audio) \ adjective

More from Merriam-Webster on chlorosis

Britannica.com: Encyclopedia article about chlorosis

Comments on chlorosis

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