potassium cyanide potassium cobaltinitrite • potassium dichromate · · · Info · Definitions · Characters · · potassium cyanide · · Text Common · · Latin · · Scripts 17 · · Length 7 · · Syllables Definitions · · · (noun) a poisonous salt (KCN) used in electroplating and in photography. Synonyms: potassium cyanide. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 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 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079