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
Our macronutrient guidelines are ones that a registered dietitian and the USDA deem appropriate for the majority of people.
Nitrogen, phosphorus and potassium are the macronutrients or primary elements.
Potassium Sulfate Potassium is a plant macronutrient.
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
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Britannica.com: Encyclopedia article about macronutrient
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