Meaning of xanthine

xan•thine

Pronunciation: (zan'thēn, -thin), [key]
— n. Biochem., Chem.
  1. a crystalline, nitrogenous compound, CHNO, related to uric acid, occurring in urine, blood, and certain animal and vegetable tissues.
  2. any derivative of this compound.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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