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)

Synonyms:
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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Anagrams of "alum"