mesantoin mesange • mesaortitis · · · Info · Definitions · Synonyms · Characters · · mesantoin · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) a toxic anticonvulsant drug (trade name Mesantoin) used in the treatment of epilepsy when less toxic anticonvulsants have been ineffective. Synonyms: mephenytoin, Mesantoin. · · Noun Definition 1 Synonyms · · · mephenytoin · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074