mi·cro·nu·tri·ent | \ -ˈnü-trē-ənt , -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

There are two kinds: macronutrients and micronutrients. Dylan Mackay, SELF, "Here's How to Tell If You Should Be Tracking Your Macros," 14 May 2018 Fertilize with a balanced fertilizer that includes micronutrients. Nan Sterman, sandiegouniontribune.com, "Branching out with new crops," 31 May 2018 Some foliar fertilizers, such as liquid seaweed (kelp), are rich in micronutrients and growth hormones. The Editors Of Organic Life, Good Housekeeping, "Everything You Need To Know About Organic Fertilizer," 10 Mar. 2017 Measuring the extent of malnutrition is critical both for getting aid money and for deciding which children are in need of emergency medical treatment and therapeutic foods – often energy-dense pastes fortified with micronutrients. Emily Matchar, Smithsonian, "Can AI Tell If a Child Is Malnourished?," 8 June 2018 And that is not all: extracts from the rose flower itself contain many essential fatty acids such as ω3 and ω6 as well as micronutrients like α-tocopherol (Vitamin E) and β-sitosterol (which is a phytosterol). Bel Dumé, Scientific American, "For Better Skin Care, Start With Better Combinations of Ingredients," 4 May 2018 The right pH and the organic matter help ensure that nutrients, particularly essential micronutrients like boron, are readily available. Kris Wetherbee, Good Housekeeping, "6 Things You Need To Know Before You Plant Broccoli This Fall," 22 Aug. 2016 During digestion, phytic acid can bind to micronutrients such as zinc, magnesium, and iron and cause reduced absorption. Katherine Pett, SELF, "Why Are People Suddenly Saying That Whole Grains Are Bad for Your Gut?," 9 May 2018 The same goes for getting preoccupied with certain micronutrients and looking for them in fortified products instead of simply eating more produce. NBC News, "8 simple things you can do to eat a little better today, with Sam Kass," 5 Apr. 2018

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.

See More

First Known Use of micronutrient

1939, in the meaning defined above

Keep scrolling for more

Learn More about micronutrient

Share micronutrient

Statistics for micronutrient

Last Updated

6 Sep 2018

Look-up Popularity

Time Traveler for micronutrient

The first known use of micronutrient was in 1939

See more words from the same year

Keep scrolling for more

More Definitions for micronutrient


mi·cro·nu·tri·ent | \ -ˈn(y)ü-trē-ənt \

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

Comments on micronutrient

What made you want to look up micronutrient? Please tell us where you read or heard it (including the quote, if possible).


alleviating pain or harshness

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!