Alum in a Sentence 🔊

Definition of Alum

a chemical substance containing aluminum used in dye things or to make the skin tighter

Examples of Alum in a sentence

The chemist explained that alum is a compound often used as an astringent to tighten the skin and remove pimples. 🔊

Because it is a chemical that can stop the production of bacteria, alum is sometimes used to make deodorants.  🔊

The product mixers used alum and other chemicals to dye the leather a brown color. 🔊

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