ALL meanings of firestone
fire·stone
F f - noun firestone Stone that can withstand fire and great heat, used especially for lining furnaces and ovens. 1
- noun firestone Harvey Samuel, 1868–1938, U.S. industrialist and rubber manufacturer. 1
- noun firestone Iron pyrites, formerly used for striking fire. 0
- noun firestone A flint. 0
- noun firestone 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. 0
- noun firestone a sandstone that withstands intense heat, esp one used for lining kilns, furnaces, etc 0
- noun firestone flint or iron pyrites used for striking fire 0
- noun firestone a stone that can withstand intense heat 0