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Meaning of micronutrient

mi•cro•nu•tri•ent

Pronunciation: (mī"krō-n'trē-unt, -ny'-), [key]
— n. Biochem.
  1. an essential nutrient, as a trace mineral or vitamin, that is required by an organism in minute amounts.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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