alum

alum has 6 senses in the JumbleFix dictionary. Letters: 4.

Definitions

• n.. A double sulphate formed of aluminium and some other element (esp. an alkali metal) or of aluminium. It has twenty-four molecules of water of crystallization.
• v. t.. To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.
• n.. a double sulphate of aluminum and potassium that is used as an astringent (among other things)
• n.. a person who has received a degree from a school (high school or college or university)
• n.. a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
• n.. a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum