chrome alum


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chrome alum

n.
Hydrated chromium potassium sulfate, CrK(SO4)2·12H2O, a toxic violet-red to black crystalline compound, used in tanning, as a mordant, and in photography.

chrome alum

n
(Elements & Compounds) a violet-red crystalline substance, used as a mordant in dyeing. Formula: KCr(SO4)2.12H2O

chrome′ al`um


n.
a violet powder, CrK(SO4)2∙12H2O, used in photography, in tanning, and as a mordant in dyeing.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chrome alum - a violet-colored salt used in hide tanning and as a mordant in dyeing
mordant - a substance used to treat leather or other materials before dyeing; aids in dyeing process
salt - a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)