mac·​ro·​nu·​tri·​ent | \ ˌma-krō-ˈnü-trē-ənt How to pronounce macronutrient (audio) , -ˈnyü- \

Definition of macronutrient

: 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 Nuts and seeds, nut and seed butters, whole grains, and even pasta all serve up smaller amounts of this crucial macronutrient that can nudge your meal's overall protein content a little higher. Audrey Bruno, SELF, 17 Jan. 2022 While protein serves to build muscle and help runners recover and repair from exercise, this powerful macronutrient also serves many other functions throughout the body, including supporting the immune system. Pamela Nisevich Bede, Outside Online, 26 Mar. 2020 What’s the most important macronutrient and micronutrient? Erica Sweeney, Good Housekeeping, 16 Aug. 2021 The macronutrient, more than fat, drives our purchasing behaviours. Daniela De Lorenzo, Forbes, 29 June 2021 After all, protein is an important macronutrient that is needed for multiple functions in the body like building and repairing muscles. Stefani Sassos, Ms, Rdn, Cso, Good Housekeeping, 10 May 2021 That additional macronutrient also makes your meal more satisfying. Popsci Commerce Team, Popular Science, 22 Sep. 2020 Summit Fitness moved its brand online: with Zoom classes, online personal training, macronutrient training and even hosted live cooking classes on their private members Facebook live group. Michael Mccleary, The Indianapolis Star, 9 June 2020 In a survival setting, fish can provide us with critical calories from protein and fat (two macronutrients that are hard to find in spring and summer plant foraging). Tim Macwelch, Outdoor Life, 26 May 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'macronutrient.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of macronutrient

1942, in the meaning defined above

History and Etymology for macronutrient

macro- + nutrient entry 2

Buying Guide

Our team at The Usage has selected the best protein bars.

Learn More About macronutrient

Time Traveler for macronutrient

Time Traveler

The first known use of macronutrient was in 1942

See more words from the same year

Dictionary Entries Near macronutrient




See More Nearby Entries 

Statistics for macronutrient

Last Updated

25 Jan 2022

Cite this Entry

“Macronutrient.” Dictionary, Merriam-Webster, Accessed 26 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for macronutrient


mac·​ro·​nu·​tri·​ent | \ -ˈn(y)ü-trē-ənt How to pronounce macronutrient (audio) \

Medical Definition of macronutrient

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

More from Merriam-Webster on macronutrient Encyclopedia article about macronutrient


Test Your Vocabulary

Name that Thing: Flower Edition

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!