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slate flour

noun
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variants: or slate powder

Definition of slate flour

: a finely ground mineral that is obtained from slate and used especially in the manufacture of gray paints

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Learn More About slate flour

Dictionary Entries Near slate flour

slate-colored junco

slate flour

slate gray

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Cite this Entry

“Slate flour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/slate%20flour. Accessed 17 Oct. 2021.

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