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hornstone

American  
[hawrn-stohn] / ˈhɔrnˌstoʊn /

noun

Archaic.
  1. a variety of quartz resembling flint.


hornstone British  
/ ˈhɔːnˌstəʊn /

noun

  1. another name for chert hornfels

"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

Etymology

Origin of hornstone

1720–30; translation of German Hornstein

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the early days, Greenlawn was dotted with wooden markers but by the 1820s, burial markers were crafted from hornstone, which was stronger and more durable than wood.

From Washington Times

The pebbles on the beach consist of quartz, red jasper, hornstone, and flinty slate, but do not contain any stone resembling chalk flint.

From Project Gutenberg

The surface of the soil exhibits some fragments of hornstone and radiated quartz, with indications of iron-ore.

From Project Gutenberg

The porphyry has a compact basis, like hornstone, of a dull brown colour, which contains imbedded crystals of felspar and quartz, and occasionally of augite.

From Project Gutenberg

The facing of the cloven surfaces was done by hammer-dressing, using rounded masses of quartzose hornstone, held in the hand without any handle.

From Project Gutenberg