phenytoin: Meaning and Definition of
phen•y•to•in
Pronunciation: (fen"i-tō'in, fu-nit'ō-), [key]
— n. Pharm.
- 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.