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Definition of "firebrick" [firebrick]

  • A refractory brick, usually made of fire clay, used for lining furnaces, fireboxes, chimneys, or fireplaces. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "firebrick" in a sentence
  • "Typically, firebrick has a more yellowish colour and is more ceramic in appearance with little or no porosity to the brick."
  • "NOAH ADAMS: A small white house, a work shed and sales room, stacks of firewood around, a 30-foot-long kiln made from firebrick - here is the potter."
  • "PS - loved the firebrick one daisybones on March 04, 2008"