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silex

American  
[sahy-leks] / ˈsaɪ lɛks /

noun

  1. flint; silica.


silex British  
/ ˈsaɪlɛks /

noun

  1. a type of heat-resistant glass made from fused quartz

"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 silex

1585–95; < Latin silex, stem silic- hard stone, flint, boulder

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.

The name silicon is derived from the Latin word for flint, silex.

From Textbooks • Feb. 14, 2019

To this mixture in the crutcher seventy-five parts of silex are then added, and a sufficient amount of hot water to make the mass flow readily.

From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by Thomssen, E. G.

These carvings remain for many years, without being in the least defaced, for this p. 275marble having a great quantity of silex closely intermixed with carbonate of chalk, is extremely hard. 

From Travels in Tartary, Thibet, and China During the years 1844-5-6 Volume 2 by Huc, Évariste Régis

It appears to me, from external character and preliminary tests, to consist almost entirely of silex, with a little oxide of iron.

From Scenes and Andventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas by Schoolcraft, Henry Rowe

A few species secrete carbonate of lime from the water, laying it up in their tissues; others cover themselves completely with that mineral, while some coat themselves with silex or flint.

From Sea-Weeds, Shells and Fossils by Gray, Peter

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