Mephenytoin

//məˈfɛn.ɪˌtoʊ.ɪn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An anticonvulsant drug C₁₂H₁₄N₂O₂. uncountable
  2. 2
    a toxic anticonvulsant drug (trade name Mesantoin) used in the treatment of epilepsy when less toxic anticonvulsants have been ineffective wordnet

Synonyms

All synonyms
mesantoin

Etymology

From me(thyl) + pheny(l) + -toin (“hydantoin derivative”).

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