firestone

/ˈfaɪrˌstoʊn/
/ˈfaɪəstəʊn/
IPA guide

Other forms: firestones

Definitions of firestone
  1. noun
    a piece of flint that is struck to light a fire
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    type of:
    flint
    a hard kind of stone; a form of silica more opaque than chalcedony
  2. noun
    a sandstone that withstands intense heat; used to line fireplaces and furnaces and kilns
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    type of:
    sandstone
    a sedimentary rock made of tiny rock pieces held together by natural cement
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