macronutrient

noun

mac·​ro·​nu·​tri·​ent ˌma-krō-ˈnü-trē-ənt 

-ˈnyü-

: 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

Indeed, research suggests that perimenopausal and menopausal women who follow high-protein diets tend to lose less muscle mass and gain less weight compared to those who don’t prioritize the macronutrient. —Marygrace Taylor, Flow Space, 18 July 2025

Studies show that protein is the most filling macronutrient. —Julie Marks, Verywell Health, 10 July 2025

Vavrek adds that all meals should still be balanced and include all macronutrients and food groups. —Korin Miller, Outside Online, 24 May 2025

Remember with these amendments that nitrogen is the primary macronutrient needing to be resupplied, as phosphorus and potassium take time to deplete. —Anthony Reardon, Kansas City Star, 13 May 2025

Word History

Etymology

macro- + nutrient entry 2

First Known Use

1942, in the meaning defined above

Rhymes for macronutrient

• micronutrient
• nutrient

Medical Definition

macronutrient

noun

mac·​ro·​nu·​tri·​ent -ˈn(y)ü-trē-ənt 

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