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Meaning of hypoxanthine

hy•po•xan•thine

Pronunciation: (hī"pu-zan'thēn, -thin), [key]
— n.
  1. a white, crystalline, almost water-soluble, alkaloidal purine derivative, CHNO, found in animal and vegetable tissues: used chiefly in biochemical research.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.