Macronutrient definition
A substance required in relatively large amounts for the normal growth and development of an organism. Macronutrients for animals include fat, carbohydrate, and protein, while for most plants they include chemical elements such as carbon, hydrogen, oxygen, nitrogen, and phosphorus.
noun
An element (such as carbon, hydrogen, oxygen, or nitrogen) or a nutrient (such as a protein, fat, or carbohydrate) required in large amounts for the normal growth and development of an organism.
noun
Any of the chemical elements, as carbon, required in relatively large quantities for plant growth.
noun
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Other Word Forms
Noun
Singular:
macronutrient
Plural:
macronutrientsOrigin of macronutrient
- From macro- + nutrient
From Wiktionary