chrome alum chrome • chrome aventurine · · · Info · Definitions · Characters · · chrome alum · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) a violet-colored salt used in hide tanning and as a mordant in dyeing. Synonyms: chrome alum. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075