chlorosis

[klaw-roh-sis, kloh-]
noun
1.
an abnormally yellow color of plant tissues, resulting from partial failure to develop chlorophyll, caused by a nutrient deficiency or the activities of a pathogen.
2.
Also called greensickness. Pathology. a benign type of iron-deficiency anemia in adolescent girls, marked by a pale yellow-green complexion.

Origin:
1675–85; chlor-1 + -osis

chlorotic [klaw-rot-ik, kloh-] , adjective
chlorotically, adverb
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World English Dictionary
chlorosis (klɔːˈrəʊsɪs)
 
n
1.  pathol Also called: greensickness a disorder, formerly common in adolescent girls, characterized by pale greenish-yellow skin, weakness, and palpitation and caused by insufficient iron in the body
2.  botany a deficiency of chlorophyll in green plants caused by mineral deficiency, lack of light, disease, etc, the leaves appearing uncharacteristically pale
 
[C17: from chloro- + -osis]
 
chlorotic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

chlorosis chlo·ro·sis (klə-rō'sĭs)
n.
A form of chronic anemia, primarily of young women, characterized by a greenish-yellow discoloration of the skin and usually associated with deficiency in iron and protein. Also called chloremia.


chlo·rot'ic (-rŏt'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
chlorosis   (klə-rō'sĭs)  Pronunciation Key 
The yellowing or whitening of normally green plant tissue because of loss or decreased production of chlorophyll, often as a result of disease, insufficient light, or inadequate sources of iron and magnesium.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
It can be entertaining to find hebephrenia or chlorosis, but do not share the
  news.
Develop solutions to overcome leaf chlorosis due to iron deficiency in
  blueberries.
Chronically infected plants may have small, distorted leaves with interveinal
  chlorosis and shoots with shortened internodes.
In addition, this species is sensitive to iron chlorosis in alkaline soils.
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