caustic potash causticness • caustic remark · · · Info · Definitions · Synonyms · Characters · · caustic potash · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) a potassium compound often used in agriculture and industry. Synonyms: potash, caustic potash, potassium hydroxide. · · Noun Definition 1 Synonyms · · · potash · · Synonym 1 potassium hydroxide · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 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