HyperDic: potash_alum

English > 1 sense of the expression potash alum:
NOUNsubstancepotash alum, alum, potassium aluma white crystalline double sulfate of aluminum
English > potash alum: 1 sense > noun 1, substance
MeaningA white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum.
Synonymsalum, potassium alum
Broaderaluminum, aluminium, Al, atomic number 13A silvery ductile metallic element found primarily in bauxite
double saltA solution of two simple salts that forms a single substance on crystallization
Spanishalumbre
Catalanalum

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