potassium sodium tartrate potassium persulphate • potassium sulphate · · · Info · Definitions · Characters · · potassium sodium tartrate · · Text Common · · Latin · · Scripts 25 · · Length 9 · · Syllables Definitions · · · (noun) a double salt used in Seidlitz powder; acts as a cathartic. Synonyms: Rochelle salt, Rochelle salts, potassium sodium tartrate. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 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 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075