firestone

noun

fire·​stone ˈfī(-ə)r-ˌstōn How to pronounce firestone (audio)
1
: pyrite formerly used for striking fire
also : flint
2
: a stone that will endure high heat

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of firestone was before the 12th century

Rhymes for firestone

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Browse Nearby Words

fire stick
firestone
Firestone
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Cite this Entry

“Firestone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/firestone. Accessed 7 Jul. 2026.

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Biographical Definition

Firestone

biographical name

Fire·​stone ˈfī(-ə)r-ˌstōn How to pronounce Firestone (audio)
Harvey Samuel 1868–1938 American industrialist
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