oil of vitriol

noun phrase

Definition of oil of vitriol 

: concentrated sulfuric acid

First Known Use of oil of vitriol

1580, in the meaning defined above

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The first known use of oil of vitriol was in 1580

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oil of vitriol


Medical Definition of oil of vitriol 

: concentrated sulfuric acid

More from Merriam-Webster on oil of vitriol

Britannica.com: Encyclopedia article about oil of vitriol

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the figure or shape of a crescent moon

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