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
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Get acquainted with macronutrients Macronutrients—carbohydrates, protein, and fat—play unique and essential roles in keeping your energy steady throughout the day.
—
Lauryn Higgins, Time, 13 Aug. 2025
While most fruits offer only 1 to 2 grams of protein per serving, a single cup of passion fruit contains 5.2 grams of the muscle-building macronutrient, according to the U.S. Food and Drug Administration (FDA).
—Deirdre Bardolf, FOXNews.com, 10 Aug. 2025
Goji berries contain a variety of micronutrients (including vitamin A, B vitamins and zinc) and macronutrients (like protein and fiber).
—Caroline C. Boyle, USA Today, 4 Aug. 2025
Protein is a macronutrient that plays key roles in your body, but choosing the wrong types may be bad for your heart.
—Brittany Lubeck, Verywell Health, 17 July 2025
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Lauryn Higgins, Time, 13 Aug. 2025
While most fruits offer only 1 to 2 grams of protein per serving, a single cup of passion fruit contains 5.2 grams of the muscle-building macronutrient, according to the U.S. Food and Drug Administration (FDA).
—Deirdre Bardolf, FOXNews.com, 10 Aug. 2025
Goji berries contain a variety of micronutrients (including vitamin A, B vitamins and zinc) and macronutrients (like protein and fiber).
—Caroline C. Boyle, USA Today, 4 Aug. 2025
Protein is a macronutrient that plays key roles in your body, but choosing the wrong types may be bad for your heart.
—Brittany Lubeck, Verywell Health, 17 July 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 27 Aug. 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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