고온이나 불에 견딜 수 있어 용광로나 화덕의 안벽을 쌓는 데 쓰이는 내화성 석재.
A type of stone that can withstand intense heat and fire, typically used for lining furnaces, kilns, and ovens.
예문:
"The engineer specified firestone for the kiln's interior to ensure durability."
"Old bakers' ovens were often constructed using thick slabs of firestone."
불을 붙이기 위해 불꽃을 일으키는 데 사용하는 돌.
A stone, such as flint or pyrite, used for striking a spark to start a fire.
예문:
"He struck the firestone against the steel to ignite the dry tinder."
"The survival kit included a small firestone for emergency use."