ALUM

Here is the meaning of the word, ALUM

Alum ( 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.
Alum ( v. t. ) - To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.

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