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white iron pyrites

noun plural but singular or plural in construction
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Definition of white iron pyrites

: marcasite sense 1b

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First Known Use of white iron pyrites

circa 1793, in the meaning defined above

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The first known use of white iron pyrites was circa 1793

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Cite this Entry

“White iron pyrites.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/white%20iron%20pyrites. Accessed 13 Apr. 2021.

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