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macronutrient

[ mak-roh-noo-tree-uhnt, -nyoo- ]
/ ˌmæk roʊˈnu tri ənt, -ˈnyu- /
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noun

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. 2021

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British Dictionary definitions for macronutrient

macronutrient
/ (ˌmækrəʊˈnjuːtrɪənt) /

noun

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

macronutrient
[ măk′rō-nōōtrē-ənt ]

n.

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.
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