Dictionary Check: alum
"alum" is a valid word!
Scrabble
6
points
Words with Friends
9
points
Definition
noun
a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
noun
a person who has received a degree from a school (high school or college or university)
noun
a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
noun
a double sulphate of aluminum and potassium that is used as an astringent (among other things)
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