Longman Dictionary of Contemporary English homepage

Date: 1700-1800
Language: German
Origin: quarz

quartz

 noun
     
quartz
Related topics: Geology, Industry
quartz [uncountable]
TI a hard mineral substance that is used in making electronic watches and clocks:
quartz crystals
a quartz watch
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
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