Webster dictionary was developed by Noah Webster in the beginning of 19th century. On this website, you can find definition for Sludge acid from the 1913 edition of Webster's Revised Unabridged Dictionary. Define Sludge acid using one of the most comprehensive free online dictionaries on the web.

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Sludge acid
Part of Speech: noun
Results: 1
1. Impure dark- colored sulphuric acid that has been used in the refining of petroleum.
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