primidone Primianist • primigene · · · Info · Definitions · Synonyms · Characters · · primidone · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) an anticonvulsant (trade name Mysoline) used to treat grand mal seizures and essential tremor. Synonyms: Mysoline. · · Noun Definition 1 Synonyms · · · mysoline · · Synonym 1 Characters · · d latin small letter d U+0064 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 p latin small letter p U+0070 r latin small letter r U+0072