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macronutrient

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

noun

  1. Nutrition. any of the nutritional components of the diet that are required in relatively large amounts: protein, carbohydrate, fat, and the macrominerals.

  2. Botany. any of the three chemical elements required by plants in relatively large amounts: nitrogen, phosphorus, and potassium.

macronutrient British  
/ ˌmækrəʊˈnjuːtrɪənt /

noun

  1. 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

Etymology

Origin of macronutrient

First recorded in 1940–45; macro- + nutrient

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Acceptable Macronutrient Distribution Ranges describe the ratio or percentage of macronutrients that should provide this energy.

From Salon • Jan. 17, 2023

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.