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

Instead of focusing on individual foods, look at your diet as a whole, including the amount of macronutrients (carbs, proteins, and fats) in your meals and your intake of foods known to regulate blood sugar. —Jillian Kubala, Health, 15 Sep. 2025

Along with carbohydrates and fat, protein is one of the main macronutrients that make up our diet. —Jacqueline Howard, CNN Money, 12 Sep. 2025

Carbohydrates are the body’s main source of energy and one of three macronutrients. —Caitlin Pagán, Verywell Health, 11 Sep. 2025

Dietary protein is one of the three macronutrients (i.e. nutrients the body needs in sizable amounts). —Carolyn L. Todd, SELF, 28 Aug. 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