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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.

About ten miles N.E. of Great Bay de Noquet, we found flint, or hornstone, in small quantities in the limestone rocks.

From Personal Memoirs of a Residence of Thirty Years with the Indian Tribes on the American Frontiers by Schoolcraft, Henry Rowe

Often they pitch their tent on the ice, and then cut such holes through it, using ice-chisels of metal when they can get copper or iron, but when not, employing tools of flint or hornstone.

From The Antiquity of Man by Lyell, Charles, Sir

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 Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 1 "Edwardes" to "Ehrenbreitstein" by Various

On the summit I found hornstone and granular felspar.

From Three Expeditions into the Interior of Eastern Australia, Volume 2 by Mitchell, Thomas

Obsidian, hornstone, and several kinds of laminated feldspathic rocks, are associated with the trachyte.

From Volcanic Islands by Darwin, Charles

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