oil of vitriol

noun phrase

: concentrated sulfuric acid

Word History

First Known Use

1580, in the meaning defined above

Time Traveler
The first known use of oil of vitriol was in 1580

Dictionary Entries Near oil of vitriol

Cite this Entry

“Oil of vitriol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oil%20of%20vitriol. Accessed 3 Oct. 2023.

Medical Definition

oil of vitriol

: concentrated sulfuric acid

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