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

phe·nyt·o·in

noun \fə-ˈnit-ə-wən\   (Medical Dictionary)

Medical Definition of PHENYTOIN

: an anticonvulsant used often in the form of its sodium salt C15H11N2NaO2 to prevent or treat seizures—called also diphenylhydantoin; see dilantin

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