copper pyrites

noun

Definition of copper pyrites

First Known Use of copper pyrites

1757, in the meaning defined above

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The first known use of copper pyrites was in 1757

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Cite this Entry

“Copper pyrites.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/copper%20pyrites. Accessed 26 Feb. 2020.

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