sludge acid

noun

Impure dark-coloured sulphuric acid that has been used in the refining of petroleum.

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Meanings

nounsludge acid (uncountable)
  1. uncountableImpure dark-coloured sulphuric acid that has been used in the refining of petroleum.
Cite this entry
APA

sludge acid. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sludge%20acid

MLA

“sludge acid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sludge%20acid. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “sludge acid,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sludge%20acid.

Source: sludge acid on Wiktionary, CC BY-SA 4.0.