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alum cake

noun

Definition of alum cake 

: a product of the action of sulfuric acid on clay consisting chiefly of silica and aluminum sulfate

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First Known Use of alum cake

1836, in the meaning defined above

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Dictionary Entries near alum cake

alum

alumbloom

Alumbrado

alum cake

alum carmine

alum cochineal

Alumel

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The first known use of alum cake was in 1836

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