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

For optimal performance, Stephani Johnson, nutrition researcher and adjunct professor in the Department of Clinical and Preventive Nutrition Sciences at Rutgers University, says your body relies on three major macronutrients: carbs, fats, and proteins. —Korin Miller, Outside Online, 24 May 2025

Greens contain little to no macronutrients like protein, carbs, or fat. —Tom Gavin, EverydayHealth.com, 23 Apr. 2025

Macro followers track the macronutrients in their meals — proteins, carbs, and fats — and then make sure that their food stays within a specific percentage for each of these categories. —Ct Jones, Rolling Stone, 21 Apr. 2025

The clay soil likely has plenty of magnesium, but the macronutrient isn’t available to the plant roots due to the unique makeup of the soil. —Megan Hughes, Better Homes & Gardens, 13 Apr. 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