单词 | rock crystal |
释义 | rock crystalnountransparent quartz, especially when colorless. Origin of rock crystalFirst recorded in 1660–70 Words nearby rock crystalrock cod, Rock Cornish, rock crab, Rock Creek Butte, rock cress, rock crystal, rock cycle, rock dove, rock dust, rock-eel, Rockefeller Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for rock crystalBritish Dictionary definitions for rock crystalrock crystal nouna 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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