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

Fiber is a type of carbohydrate—one of the three macronutrients our bodies need to function properly. —Julie Stewart, SELF, 25 Mar. 2025

Protein-Rich Foods Protein is the most important macronutrient for muscle building. —Jillian Kubala, Health, 20 Mar. 2025

Protein is a critical macronutrient for building and repairing muscles, supporting metabolism and maintaining overall health. —Jesse Pines, Forbes, 17 Mar. 2025

Unlike carbohydrates and fats, protein is the only one of the three macronutrients that doesn’t get vilified – instead of cutting back, we’re encouraged to boost our intake. —New Atlas, 17 Mar. 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