Simple Definition of quartz

from our Learner's Dictionary

quartz

noun

ˈkwoɚts How to pronounce quartz (audio)
: a mineral that is often found in the form of a hard crystal and that is used especially to make clocks and watches

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“Quartz.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/quartz. Accessed 20 Jun. 2026.

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