clay stone

or claystone

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noun Geology.

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Origin of clay stone

First recorded in 1770–80

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use clay stone in a sentence

Here and there are idol figures, of grotesque and monster forms, carved from wood and the red claystone of the desert.
The Scalp Hunters|Mayne Reid
Although fossiliferous, the stone resembles a sandy claystone of the trap family.
A Manual of Elementary Geology|Charles Lyell.
Some of them were sitting around the fire, smoking out of curiously-carved pipes of the red claystone.
The Scalp Hunters|Mayne Reid
The doctor drew out his great meerschaum, Gode filled a red claystone, while Seguin and I lit our husk cigarettes.
The Scalp Hunters|Mayne Reid

We see them light their claystone pipes, and send forth clouds of blue vapour.
The Scalp Hunters|Mayne Reid

British Dictionary definitions for clay stone

claystone

/ (ˈkleɪˌstəʊn) /

noun

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

Scientific definitions for clay stone

claystone

[ klā′stōn′ ]

A fine-grained, dark gray to pink sedimentary rock consisting primarily of compacted and hardened clay. Claystone is similar to shale but without laminations.