firestone

firestone has 4 senses in the JumbleFix dictionary. Letters: 9.

Definitions

• n.. Iron pyrites, formerly used for striking fire; also, a flint.
• 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.
• n.. a sandstone that withstands intense heat; used to line fireplaces and furnaces and kilns
• n.. a piece of flint that is struck to light a fire