macronutrient Hear it!

macronutrient definition

macro·nu·tri·ent (-no̵̅o̅′trē ənt)

noun

any of the chemical elements, as carbon, required in relatively large quantities for plant growth

Etymology: macro- + nutrient

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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