macronutrient

noun mac·ro·nu·tri·ent \ -ˈnü-trē-ənt , -ˈnyü- \
Updated on: 22 Apr 2018

Definition of macronutrient

: 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

Recent Examples of macronutrient from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'macronutrient.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of macronutrient

1942

in the meaning defined at sense 1

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Medical Dictionary

macronutrient

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

medical Definition of macronutrient

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

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