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 That additional macronutrient also makes your meal more satisfying. Popsci Commerce Team, Popular Science, "The best protein powders for a muscle-building boost," 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, "At least 5 Indianapolis-area CrossFit locations disaffiliate after CEO's Tweets," 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, "10 Primitive Survival Skills that Will Keep You Alive," 26 May 2020 Counting macronutrients, and carb cycling, are forms of restrictive dieting. Stefani Sassos, Ms, Rdn, Cso, Good Housekeeping, "Everything You Need to Know About Carb Cycling, According a Registered Dietitian," 15 Apr. 2020 On a macronutrient front, studies show that protein might be particularly important for a strong immune system. Claire Maldarelli, Popular Science, "Is it possible to boost your immune system?," 7 Apr. 2020 Carbohydrates are one of the macronutrients that your body needs to survive and provide energy. Stefani Sassos, Ms, Rdn, Cso, Good Housekeeping, "Everything You Need to Know About Carb Cycling, According a Registered Dietitian," 15 Apr. 2020 Keto is not a long-term solution and Stefani warns dieters to be weary if a weight loss program is cutting out an entire food group or macronutrient. Good Housekeeping, "About the Good Housekeeping Nutrition Lab," 20 Mar. 2020 Life Oak Cliff asks its players to use the MyFitnessPal app and provides sample grocery lists and tips on how to meet daily calorie and macronutrient (fat, protein, carbohydrates) goals. Greg Riddle, Dallas News, "Dallas-area football players don’t tread lightly with creative at-home strength workouts," 31 Mar. 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.

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First Known Use of macronutrient

1942, in the meaning defined at sense 1

History and Etymology for macronutrient

macro- + nutrient entry 2

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The first known use of macronutrient was in 1942

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Cite this Entry

“Macronutrient.” Dictionary, Merriam-Webster, Accessed 21 Jan. 2021.

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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

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