Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
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.
(Elements & Compounds) a violet-red crystalline substance, used as a mordant in dyeing. Formula: KCr(SO4)2.12H2O
a violet powder, CrK(SO4)2∙12H2O, used in photography, in tanning, and as a mordant in dyeing.
Switch to new thesaurus
|Noun||1.||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)