Definition of firestone Firestone

/fajˈɹstowˌn/ - [fayrstown] - fire•stone

We found 8 definitions of firestone from 4 different sources.

What does firestone mean?

Plural: firestones

firestone - a sandstone that withstands intense heat; used to line fireplaces and furnaces and kilns

firestone - a piece of flint that is struck to light a fire

= synonym
= antonym
= related word

firestone (Noun)
Iron pyrites, formerly used for striking fire.
firestone (Noun)
A flint.
firestone (Noun)
A stone which will bear the heat of a furnace without injury; especially applied to the sandstone at the top of the upper greensand in the south of England, used for lining kilns and furnaces.

firestone (n.)
Iron pyrites, formerly used for striking fire; also, a flint.
firestone (n.)
A stone which will bear the heat of a furnace without injury; -- especially applied to the sandstone at the top of the upper greensand in the south of England, used for lining kilns and furnaces.