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macronutrient

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noun mac·ro·nu·tri·ent \-ˈnü-trē-ənt, -ˈnyü-\

Definition of macronutrient

  1. 1 :  a chemical element (as nitrogen, phosphorus, or potassium) of which relatively large quantities are essential to the growth and health of a plant

  2. 2 :  a substance (as protein or carbohydrate) essential in large amounts to the growth and health of an animal — compare micronutrient 2



1942

First Known Use of macronutrient

1942


Medical Dictionary

macronutrient

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

Medical Definition of macronutrient

  1. :  a chemical element or substance (as protein, carbohydrate, or fat) required in relatively large quantities in nutrition




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