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Word of the Day Tuesday, June 9, 2026

quartz

/kwɔrtz/ noun · British & US
Valid in UKValid in US
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What does quartz mean?

noun

A hard, colourless mineral, one of the most common forms of silicon dioxide, found in a wide range of colours and often used in watches and other timepieces. It is also used in electronics and optics.

Example

"The quartz crystal in the watch was replaced with a new one to improve its accuracy."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for quartz

Rhymes with quartz

Etymologically related