macronutrient

noun

mac·​ro·​nu·​tri·​ent ˌma-krō-ˈnü-trē-ənt How to pronounce macronutrient (audio)
-ˈnyü-
: a chemical element or substance (such as potassium or protein) that is essential in relatively large amounts to the growth and health of a living organism compare micronutrient

Examples of macronutrient in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Instead, there’s a range of percentages—called the acceptable macronutrient distribution range—recommended for each individual macronutrient. — Jillian Kubala, HEALTH, 7 Aug. 2026 In addition to its balanced macronutrient profile, zucchini contains an impressive amount of vitamin C, potassium, and manganese. — Chelsea Rae Bourgeois, Health, 30 July 2026 For example, if product A is a 10-pound bag of 5-5-5 fertilizer and product B is a five-pound bag of 10-10-10 fertilizer, both bags contain the same amount of all three macronutrients. — Andy Wilcox, Better Homes & Gardens, 16 July 2026 Many of these products source the macronutrient from whey, a byproduct of the cheesemaking process. — Sasha Rogelberg, Fortune, 21 June 2026 See All Example Sentences for macronutrient

Word History

Etymology

macro- + nutrient entry 2

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of macronutrient was in 1942

Rhymes for macronutrient

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Browse Nearby Words

macronucleus
macronutrient
macroorganism
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Cite this Entry

“Macronutrient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/macronutrient. Accessed 14 Aug. 2026.

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Medical Definition

macronutrient

noun
mac·​ro·​nu·​tri·​ent -ˈn(y)ü-trē-ənt How to pronounce macronutrient (audio)
: a substance (as a protein, carbohydrate, or fat) required in relatively large quantities for growth, energy, and health compare micronutrient

More from Merriam-Webster on macronutrient

Britannica.com: Encyclopedia article about macronutrient

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