bone ash

noun

: the white porous residue chiefly of tribasic calcium phosphate from bones calcined in air used especially in making pottery and glass and in cleaning jewelry

Examples of bone ash in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Historically, this material is made with china clay, china stone, and bone ash. Kelsey Mulvey, Better Homes & Gardens, 23 Aug. 2023 So, why bone ash? Melissa Locker, Southern Living, 30 June 2021

Word History

First Known Use

1622, in the meaning defined above

Time Traveler
The first known use of bone ash was in 1622

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Cite this Entry

“Bone ash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bone%20ash. Accessed 26 Mar. 2025.

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