[ mak-roh-noo-tree-uhnt, -nyoo- ]
/ ˌmæk roʊˈnu tri ənt, -ˈnyu- /
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Nutrition. any of the nutritional components of the diet that are required in relatively large amounts: protein, carbohydrate, fat, and the macrominerals.
Botany. any of the three chemical elements required by plants in relatively large amounts: nitrogen, phosphorus, and potassium.
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Compare micronutrient.

Origin of macronutrient

First recorded in 1940–45; macro- + nutrient
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use macronutrient in a sentence

  • This year, PopSci looks at the macronutrient beyond its most negative associations.

    Is butter a carb?|Claire Maldarelli|August 29, 2021|Popular-Science
  • Consider this series of studies, which assessed whether the order of various macronutrients eaten by people with Type 2 diabetes changed their insulin and glucose level spikes in response to food.

    Is butter a carb?|Claire Maldarelli|August 29, 2021|Popular-Science
  • So many diets over the years have shunned various macronutrients, and the trends all contradict one another.

    Is butter a carb?|Claire Maldarelli|August 29, 2021|Popular-Science
  • In fact, across all diet studies people generally lose around five to seven pounds over the course of a year, regardless of the balance of macronutrients.

British Dictionary definitions for macronutrient

/ (ˌmækrəʊˈnjuːtrɪənt) /

any substance, such as carbon, hydrogen, or oxygen, that is required in large amounts for healthy growth and development
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for macronutrient

[ măk′rō-nōōtrē-ənt ]

A nutrient required in large amounts for the normal growth and development of an organism.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.