HyperDic: chrome_alum

English > 1 sense of the expression chrome alum:
NOUNsubstancechrome aluma violet-colored salt used in hide tanning and as a mordant in dyeing
English > chrome alum: 1 sense > noun 1, substance
MeaningA violet-colored salt used in hide tanning and as a mordant in dyeing.
BroadermordantA substance used to treat leather or other materials before dyeing
saltA compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)
Spanishalumbre de cromo
Catalanalum de crom

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