rock crystal
transparent quartz, especially when colorless.
Origin of rock crystal
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use rock crystal in a sentence
There was a little table at hand; on it stood a rock-crystal goblet and a silver cooler filled with snow-water and rose sherbet.
God Wills It! | William Stearns DavisBlanik is the name of a mountain in Bohemia, beneath which are lofty halls whose walls are entirely fashioned of rock-crystal.
The Science of Fairy Tales | Edwin Sidney HartlandIt abounds in most substances which are hard enough to strike fire with steel, as flint, rock crystal, and most precious stones.
Its transparency is scarcely less than that of water or of rock crystal, and devoid of colour.
Treatise on Light | Christiaan Huygensrock crystal grows ordinarily in hexagonal bars, and diamonds are found which occur with a square point and polished surfaces.
Treatise on Light | Christiaan Huygens
British Dictionary definitions for rock crystal
a pure transparent colourless quartz, used in electronic and optical equipment. Formula: SiO 2
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
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