blue vitriol


Definition of blue vitriol

: a hydrated copper sulfate CuSO4·5H2O

First Known Use of blue vitriol

1560, in the meaning defined above

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The first known use of blue vitriol was in 1560

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Dictionary Entries Near blue vitriol

blue vinny

blue vitriol

blue water

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Cite this Entry

“Blue vitriol.” Dictionary, Merriam-Webster, Accessed 21 Oct. 2021.

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