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

Category: Objects

2.Definition: a person who has received a degree from a school (high school or college or university)

Related Noun(s):alumna, alumnus, grad, graduate

Category: People

3.Definition: a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum

Category: General

4.Definition: a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

Category: General