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.
The macronutrient can be found in plenty of whole foods, like Greek yogurt, nuts, legumes and meat. Rachel Treisman, NPR, 16 Oct. 2025 And one of the most popular ways to cram more of the macronutrient into your day is with protein powder. Korin Miller, SELF, 15 Oct. 2025 For example, nuts contain all three macronutrients, while oil contains 100% fat. Jillian Kubala, Health, 11 Oct. 2025 Along with carbohydrates and fat, protein is one of the main macronutrients that make up our diet. Jacqueline Howard, CNN Money, 12 Sep. 2025 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

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Cite this Entry

“Macronutrient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/macronutrient. Accessed 22 Oct. 2025.

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

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