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English definition of “quartz”


noun [U]     /ˈkwɔːts/ US  /ˈkwɔːrts/
a hard, transparent mineral substance , used in making electronic equipment and accurate watches and clocks Watches and clocksTypes of rockPrecious and semi-precious stones
(Definition of quartz noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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