macronutrient
noun
mac·ro·nu·tri·ent
ˌma-krō-ˈnü-trē-ənt 
-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
Protein is an essential macronutrient that the body uses to build muscles and repair cells.
—
Stephanie Brown, Verywell Health, 27 Oct. 2025
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
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Stephanie Brown, Verywell Health, 27 Oct. 2025
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
See All Example Sentences for macronutrient
Cite this Entry
“Macronutrient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/macronutrient. Accessed 3 Nov. 2025.
Copy CitationMedical Definition
macronutrient
noun
mac·ro·nu·tri·ent
-ˈn(y)ü-trē-ənt
: a substance (as a protein, carbohydrate, or fat) required in relatively large quantities for growth, energy, and health compare micronutrient
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