mi·​cro·​nu·​tri·​ent | \ ˌmī-krō-ˈnü-trē-ənt How to pronounce micronutrient (audio) , -ˈnyü- \

Definition of micronutrient

: a chemical element or substance (such as calcium or vitamin C) that is essential in minute amounts to the growth and health of a living organism — see trace element — compare macronutrient

Examples of micronutrient in a Sentence

Recent Examples on the Web Boron is a plant micronutrient, and plant roots can only recognize and take up the borate molecular form. oregonlive, 2 Jan. 2022 What’s the most important macronutrient and micronutrient? Erica Sweeney, Good Housekeeping, 16 Aug. 2021 Like all vitamins, D is an essential micronutrient, required in small quantities for normal cell function, growth and development. Katie Hunt, CNN, 4 Aug. 2020 Copper represents an essential micronutrient, but any extraordinary health benefits brought from drinking out of copper vessels are, at this point, rooted in anecdotes. Sarah Lynch, USA TODAY, 9 July 2020 At his farm, fish emulsion is added to the irrigation water, providing beneficial micronutrients. Margaret Roach, New York Times, 12 May 2020 On the micronutrient scale, there are also a few standouts. Claire Maldarelli, Popular Science, 7 Apr. 2020 While zinc, by far, has had the most promising studies done, other micronutrients have also shown to influence the immune system. Claire Maldarelli, Popular Science, 7 Apr. 2020 Now, researchers have fortified corn grain and other staple foods with these essential micronutrients by encapsulating them in a biocompatible polymer. Eva Frederick, Science | AAAS, 15 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'micronutrient.' 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 micronutrient

1939, in the meaning defined above

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The first known use of micronutrient was in 1939

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Last Updated

11 Jan 2022

Cite this Entry

“Micronutrient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micronutrient. Accessed 19 Jan. 2022.

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More Definitions for micronutrient


mi·​cro·​nu·​tri·​ent | \ -ˈn(y)ü-trē-ənt How to pronounce micronutrient (audio) \

Medical Definition of micronutrient

: a chemical element or substance (such as calcium or vitamin C) that is essential in minute amounts to growth and health — see trace element — compare macronutrient

More from Merriam-Webster on micronutrient

Britannica.com: Encyclopedia article about micronutrient


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