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allantoin: Meaning and Definition of
al•lan•to•in
Pronunciation: (u-lan'tō-in), [key]
— n. Biochem., Pharm.
- a white powder, CHNO, produced by oxidation of uric acid and the major excretory product of purine degradation in many vertebrates: used medicinally to heal skin ulcers and in lotions, lipsticks, etc., for its soothing effect.
