seidlitz powder Seidlitz • seidlitz powders · · · Info · Definitions · Characters · · seidlitz powder · · Text Common · · Latin · · Scripts 15 · · Length 5 · · Syllables Definitions · · · (noun) an effervescing salt containing sodium bicarbonate and Rochelle salt and tartaric acid; used as a cathartic. Synonyms: Seidlitz powder, Seidlitz powders, Rochelle powder. · · Noun Definition 1 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C 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 w latin small letter w U+0077 z latin small letter z U+007A