Synonyms of alum

Noun

1. alum, ammonia alum, ammonium alum, aluminum, aluminium, Al, atomic number 13, double salt

usage: a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum

2. alum, potassium alum, potash alum, aluminum, aluminium, Al, atomic number 13, double salt

usage: a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

3. alumnus, alumna, alum, graduate, grad, scholar, scholarly person, bookman, student

usage: a person who has received a degree from a school (high school or college or university)

4. alum, astringent, astringent drug, styptic

usage: a double sulphate of aluminum and potassium that is used as an astringent (among other things)

Definition and meaning of alum (Dictionary)