acid sludge

noun

: gummy material that separates from a petroleum oil on treatment with sulfuric acid

Word History

First Known Use

1885, in the meaning defined above

Time Traveler
The first known use of acid sludge was in 1885

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Cite this Entry

“Acid sludge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acid%20sludge. Accessed 18 Jul. 2024.

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