alum cake

noun

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

Word History

First Known Use

1836, in the meaning defined above

Time Traveler
The first known use of alum cake was in 1836

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Dictionary Entries Near alum cake

Cite this Entry

“Alum cake.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alum%20cake. Accessed 19 Nov. 2024.

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