micronutrient

noun

mi·​cro·​nu·​tri·​ent ˌmī-krō-ˈnü-trē-ənt How to pronounce micronutrient (audio)
-ˈnyü-
: 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
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Adding fruits and whole foods increases carb intake and provides antioxidants and micronutrients that support muscle recovery. Jillian Kubala, Health, 28 Jan. 2026 Selenium Selenium is a micronutrient found in foods like meats and fish. Megan Nunn, Verywell Health, 28 Jan. 2026 And excess phosphorus in soil can hinder the uptake of essential plant micronutrients and alter the soil microbial community, reducing diversity that is important for good soil health. Dinesh Phuyal, The Conversation, 26 Jan. 2026 The more expensive diet did a better job of meeting her micronutrient needs, though vitamin E and calcium were still pretty low. Sarah Todd, STAT, 16 Jan. 2026 See All Example Sentences for micronutrient

Word History

First Known Use

1939, in the meaning defined above

Time Traveler
The first known use of micronutrient was in 1939

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Cite this Entry

“Micronutrient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micronutrient. Accessed 6 Feb. 2026.

Medical Definition

micronutrient

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

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