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.
Researchers found that moderate macronutrient diet followers lost weight and maintained it at 6 and 12 months, although slightly less than the more extreme diets (low-carb, low-fat). Brierley Horton, Better Homes & Gardens, 10 Aug. 2026 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 What’s clear is that protein, which is a macronutrient along with fat and carbohydrates, is essential for health. Layli Nazarova, Washington Post, 24 July 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

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Cite this Entry

“Macronutrient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/macronutrient. Accessed 17 Aug. 2026.

Medical Definition

macronutrient

noun
: a substance (as a protein, carbohydrate, or fat) required in relatively large quantities for growth, energy, and health compare micronutrient

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