HyperDic: ammonia_alum

English > 1 sense of the expression ammonia alum:
NOUNsubstanceammonia alum, alum, ammonium aluma white crystalline double sulfate of aluminum
English > ammonia alum: 1 sense > noun 1, substance
MeaningA white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum.
Synonymsalum, ammonium 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
Spanishaluminio amónico

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