• synonyms

clay stone

or clay·stone

See more synonyms for clay stone on Thesaurus.com
noun Geology.
  1. argillite.
Show More

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 clay stone

Historical Examples

  • The bulk of the island appears to be composed of a compound rock, formed of clay-stone and potstone intermixed.

    The Mission to Siam, and Hu the Capital of Cochin China, in the Years 1821-2

    George Finlayson

  • The fire was soon kindled, and the clay-stone calumet filled with “kini-kinik.”