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A refractory brick, usually made of fire clay, used for lining furnaces, fireboxes, chimneys, or fireplaces.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(General Engineering) a refractory brick made of fire clay, used for lining furnaces, flues, etc
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a brick made of fire clay.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||firebrick - brick made of fire clay; used for lining e.g. furnaces and chimneys|
brick - rectangular block of clay baked by the sun or in a kiln; used as a building or paving material
fireclay - a heat-resistant clay
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