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

Each type targets a different macronutrient, cutting it into pieces small enough for the small intestine to take up. — Hanna Wickes, Kansas City Star, 23 Sep. 2026

Of the three macronutrients, carbohydrates have the greatest impact on blood sugar levels because they are broken down into glucose, causing blood sugar to rise. — Jillian Kubala, HEALTH, 17 Sep. 2026

The more nutrition-obsessed among us have transformed eating into macronutrient acquisition. — Ian Bogost, The Atlantic, 4 Sep. 2026

Ahead, nutrition experts share their top picks for getting more of this vital macronutrient. — Randi Gollin, Martha Stewart, 30 Aug. 2026

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