What does firebrick mean?
A type of refractory brick used in high-temperature applications, such as fireplaces and furnaces. It is made from a mixture of clay and other minerals that are fired at a high temperature to create a hard, heat-resistant material.
Example
"The firebrick lining of the fireplace was cracked and needed to be replaced."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.