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

Example Sentences

Recent Examples on the Web The routine addition of epsom salts can lead to salt accumulation in the soil, which can lead to leaf tip dieback, marginal leaf chlorosis and necrosis (or burn). Rita Perwich, San Diego Union-Tribune, 1 May 2021 This yellowing of leaves is sometimes confused with a nutrient deficiency disease called iron chlorosis, especially in the case of azaleas and gardenias. Dan Gill, NOLA.com, 27 Jan. 2021 The symptoms of iron chlorosis appear because a plant is not getting enough iron, an essential element for plants. Dan Gill, NOLA.com, 27 Jan. 2021 Iron chlorosis is not uncommon in the New Orleans area south of Lake Pontchartrain. Dan Gill, NOLA.com, 27 Jan. 2021 Iron chlorosis causes the new growth at the ends of the branches to turn pale green or yellow with dark green veins. Dan Gill, NOLA.com, 4 Nov. 2020 Yellowed leaves with green veins is called chlorosis; applying fertilizer containing iron chelate according to label instructions can help correct the problem. Sunset Magazine, 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, 8 June 2020 With chlorosis, leaves can look burned but stems will regrow leaves next spring. oregonlive, 22 Feb. 2020 See More

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.

Word History

First Known Use

1678, in the meaning defined at sense 1

Time Traveler
The first known use of chlorosis was in 1678

Dictionary Entries Near chlorosis

Cite this Entry

“Chlorosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chlorosis. Accessed 7 Dec. 2022.

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

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