phenytoin


phe·nyt·o·in

noun \fə-ˈni-tə-wən\

Definition of PHENYTOIN

: a crystalline anticonvulsant compound C15H12N2O2 used in the form of its sodium salt in the treatment of epilepsy —called also diphenylhydantoin

Origin of PHENYTOIN

diphenylhydantoin
First Known Use: 1941

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