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provitamin: Meaning and Definition of

pro•vi•ta•min

Pronunciation: (prō-vī'tu-minBrit.also prō-vit'u-min), [key]
— n. Biochem.
  1. a substance that an organism can transform into a vitamin, as carotene, which is converted to vitamin A in the liver.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
provisory provitamin A
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