menadione: Meaning and Definition of

men•a•di•one

Pronunciation: (men"u-dī'ōn), [key]
— n. Pharm.
  1. a synthetic yellow crystalline powder, CHO, insoluble in water, used as a vitamin K supplement. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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