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micronutrient

[mahy-kroh-noo-tree-uh nt, -nyoo-] /ˌmaɪ kroʊˈnu tri ənt, -ˈnyu-/
noun, Biochemistry
1.
an essential nutrient, as a trace mineral or vitamin, that is required by an organism in minute amounts.
Origin
1935-1940
1935-40; micro- + nutrient
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for micronutrient
  • Many more have micronutrient deficiencies: they do not get essential vitamins or minerals in their diets.
  • Phytochemicals are the micronutrient of this generation.
  • Likewise, popcorn contains lutein, a micronutrient that also has anti-inflammatory characteristics.
  • Folate is a micronutrient important for genetic processes.
British Dictionary definitions for micronutrient

micronutrient

/ˌmaɪkrəʊˈnjuːtrɪənt/
noun
1.
any substance, such as a vitamin or trace element, essential for healthy growth and development but required only in minute amounts
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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micronutrient in Medicine

micronutrient mi·cro·nu·tri·ent (mī'krō-nōō'trē-ənt, -nyōō'-)
n.
A substance, such as a vitamin or mineral, that is essential in minute amounts for the proper growth and metabolism of a living organism.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for micronutrient

micromineral

in biology, any chemical element required by living organisms in minute amounts, usually as part of a vital enzyme, a cell-produced catalytic protein. Exact needs vary among species, but commonly required plant micronutrients include copper, boron, zinc, manganese, and molybdenum. Animals also require manganese, iodine, and cobalt. Lack of a necessary plant micronutrient in the soil causes plant deficiency diseases; lack of animal micronutrients in the soil may not harm the plants, but, without them, animals feeding solely on those plants develop deficiency diseases.

Learn more about micromineral with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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