any of the chemical elements, as carbon, required in relatively large quantities for plant growth
Origin of macronutrientmacro- + nutrient
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.
- Any of the elements required in large amounts by all living things.
From macro- + nutrient