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.
Macro followers track the macronutrients in their meals — proteins, carbs, and fats — and then make sure that their food stays within a specific percentage for each of these categories. Ct Jones, Rolling Stone, 21 Apr. 2025 The clay soil likely has plenty of magnesium, but the macronutrient isn’t available to the plant roots due to the unique makeup of the soil. Megan Hughes, Better Homes & Gardens, 13 Apr. 2025 Begin by understanding the macronutrients: nitrogen, phosphorous and potassium. Anthony Reardon, Kansas City Star, 4 Apr. 2025 That usually means a diet that includes a variety of food groups and macronutrients with a focus on whole, plant-based, and unprocessed foods, Bruno added. Stephanie Brown, Verywell Health, 8 May 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

Browse Nearby Words

Cite this Entry

“Macronutrient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/macronutrient. Accessed 1 Jun. 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

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