quartz crystal


a thin plate or rod cut in certain directions from a piece of piezoelectric quartz and accurately ground so that it vibrates at a particular frequency
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

Examples from the Web for quartz crystal

  • He said, 'Come here to me,' and then he showed me a piece of quartz-crystal in his hand.

    Anthropology|Robert Marett