Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ammonia_alum

1 sense of ammonia alum

Sense 1
alum, ammonia alum, ammonium alum -- (a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum)
       => aluminum, aluminium, Al, atomic number 13 -- (a silvery ductile metallic element found primarily in bauxite)
       => double salt -- (a solution of two simple salts that forms a single substance on crystallization)