green vitriol

noun

: ferrous sulfate heptahydrate

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of green vitriol was in the 14th century

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Dictionary Entries Near green vitriol

green violet

green vitriol

greenware

See More Nearby Entries 

Cite this Entry

“Green vitriol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/green%20vitriol. Accessed 27 Nov. 2024.

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