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micronutrient

American  
[mahy-kroh-noo-tree-uhnt, -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.


micronutrient British  
/ 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

Etymology

Origin of micronutrient

First recorded in 1935–40; micro- + nutrient

Vocabulary lists containing micronutrient

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

While they are often described as providing "empty calories," the study found they can meet micronutrient needs, largely because of vitamin fortification.

From Science Daily • Feb. 5, 2026

Antibiotic resistance is often attributed to overuse and misuse of antibiotics, but the work of Dr. Littlejohn and her UBC colleagues suggests that the 'hidden hunger' of micronutrient deficiencies is another important factor.

From Science Daily • Nov. 17, 2023

"Globally, around 340 million children under five suffer from multiple micronutrient deficiencies, which not only affect their growth but also significantly alter their gut microbiomes," said Dr. Littlejohn.

From Science Daily • Nov. 17, 2023

The study, published this week in Nature Microbiology, offers critical insights into the far-reaching consequences of micronutrient deficiencies in early life.

From Science Daily • Nov. 17, 2023

Known in the public health sphere as multiple micronutrient supplements, this new generation of supplements contains 13 additional nutrients, including vitamins A, D, E, and C, as well as zinc and other elements.

From National Geographic • Sep. 12, 2023

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