- a refractory clay used for making crucibles, firebricks, etc.
Origin of fire clay
First recorded in 1810–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for fire clay
Fire-clay dust in waterglass is used in the Museum at Breslau.The Preservation of Antiquities
Gannister and fire-clay, also, are found in abundance in the vicinity.The Crest of the Continent
In connexion with the Warora colliery there is a fire-clay business.
So in a furnace which has to be lined with fire-clay that is about the limit.Marvels of Scientific Invention
Thomas W. Corbin
They must have suspected that it was fire-clay and that you had found a deposit of value.The Young Wireless Operator--As a Fire Patrol
Lewis E. Theiss
- a heat-resistant clay used in the making of firebricks, furnace linings, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012