micronutrient
noun
mi·cro·nu·tri·ent ˌmī-krō-ˈnü-trē-ənt 
-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
Example Sentences
Recent Examples on the Web Trivalent chromium is a micronutrient that is part of humans’ diet and is far less concerning from a health perspective. 
Keith Matheny, Detroit Free Press, 15 Aug. 2022 The label on this powder lists out every single micronutrient. Outside Online, 23 June 2022 The main source of vitamin D for most people is dietary, but our body also makes the micronutrient when skin is exposed to UVB light -- that's why it's sometimes called the sunshine vitamin. Katie Hunt, CNN, 23 May 2022 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 See More
Keith Matheny, Detroit Free Press, 15 Aug. 2022 The label on this powder lists out every single micronutrient. Outside Online, 23 June 2022 The main source of vitamin D for most people is dietary, but our body also makes the micronutrient when skin is exposed to UVB light -- that's why it's sometimes called the sunshine vitamin. Katie Hunt, CNN, 23 May 2022 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 See More Word History
First Known Use
1939, in the meaning defined above
Medical Definition
micronutrient
noun
mi·cro·nu·tri·ent -ˈn(y)ü-trē-ənt
: 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