QUARTZ


Meaning of QUARTZ in English

/ kwɔːts; NAmE kwɔːrts/ noun

[ U ] a hard mineral, often in crystal form, that is used to make very accurate clocks and watches

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WORD ORIGIN

mid 18th cent.: from German Quarz , from Polish dialect kwardy , corresponding to Czech tvrdý hard.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.