Alum Meaning

There are 4 meaning(s) for word Alum

Alum Meaning 1 : a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

    Synonyms : potash alum,  potassium alum
Alum Meaning 2 : a person who has received a degree from a school (high school or college or university)

    Synonyms : alumna,  alumnus,  grad,  graduate
Alum Meaning 3 : a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum

    Synonyms : ammonia alum,  ammonium alum
Alum Meaning 4 : a double sulphate of aluminum and potassium that is used as an astringent (among other things)