fossil flour

noun

Definition of fossil flour

: ground diatomite

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First Known Use of fossil flour

1788, in the meaning defined above

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The first known use of fossil flour was in 1788

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Cite this Entry

“Fossil flour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fossil%20flour. Accessed 16 Jan. 2021.

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