quartzite

[ kwawrt-sahyt ]
/ ˈkwɔrt saɪt /

noun

a granular metamorphic rock consisting essentially of quartz in interlocking grains.

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Origin of quartzite

First recorded in 1840–50; quartz + -ite1

OTHER WORDS FROM quartzite

quartz·it·ic [kwawrt-sit-ik], /kwɔrtˈsɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for quartzite

British Dictionary definitions for quartzite

quartzite
/ (ˈkwɔːtsaɪt) /

noun

a very hard metamorphic rock consisting of a mosaic of intergrown quartz crystals
a white or grey sandstone composed of 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

Scientific definitions for quartzite

quartzite
[ kwôrtsīt′ ]

A metamorphic rock consisting entirely of quartz. Quartzite forms when sandstone or chert are heated during metamorphism.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.