ethosuximide ethos • ethoxide · · · Info · Definitions · Synonyms · Characters · · ethosuximide · · Text Latin · · Script 12 · · Length 5 · · Syllables Definitions · · · (noun) an anticonvulsant drug (trade names Emeside and Zarontin) used to treat petit mal epilepsy. Synonyms: Emeside, Zarontin. · · Noun Definition 1 Synonyms · · · emeside · · Synonym 1 zarontin · · Synonym 2 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 x latin small letter x U+0078