Meaning of phenytoin

phen•y•to•in

Pronunciation: (fen"i-tō'in, fu-nit'ō-), [key]
— n. Pharm.
  1. a barbiturate-related substance, CHNO, used as an anticonvulsant in the treatment of grand mal epilepsy and in focal seizures.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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