noun
a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
Synonyms
ammonia alum
ammonium alum
noun
a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
Synonyms
potassium alum
potash alum
noun
a person who has received a degree from a school (high school or college or university)
Synonyms
noun
a double sulphate of aluminum and potassium that is used as an astringent (among other things)