Definition of firestone in English:

firestone

Syllabification: fire·stone
Pronunciation: /ˈfīrˌstōn
 
/

noun

  • Stone that can withstand fire and great heat, used especially for lining furnaces and ovens.
    More example sentences
    • The cooking surface is made of fire stone.
    • The oven is to be formed of wrought or cast iron, the under part being lined with fire-stone.

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