Phenytoin

//fɛˈnɪt.əʊ.ɪn// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A synthetic compound related to hydantoin, used as an anticonvulsant in the treatment of epilepsy. uncountable
2
an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative wordnet

Synonyms

dilantin diphenylhydantoin epanutin

Etymology

Contraction of diphenylhydantoin.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.