Origin of clay stone
First recorded in 1770–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for claystone
Why should the schist pendant of the Tappock chamber be all right, if the claystone pendant of Dunbuie be all wrong?The Clyde Mystery
We see them light their claystone pipes, and send forth clouds of blue vapour.The Scalp Hunters
But there was more; close by the stone I noticed (although I think you didn't) a mark in the claystone.Chronicles of Martin Hewitt
- a compact very fine-grained rock consisting of consolidated clay particles
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
- A fine-grained, dark gray to pink sedimentary rock consisting primarily of compacted and hardened clay. Claystone is similar to shale but without laminations.
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