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