firebrick

play
noun fire·brick \ˈfī(-ə)r-ˌbrik\

Definition of firebrick

  1. :  a refractory brick capable of sustaining high temperatures that is used especially for lining furnaces or fireplaces

First Known Use of firebrick

1749


Learn More about firebrick


Seen and Heard

What made you want to look up firebrick? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to state as an opinion

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!