: a mineral consisting of silicon dioxide occurring in colorless and transparent or colored hexagonal crystals or in crystalline masses
: a quartz crystal that when placed in an electric field oscillates at a constant frequency and is used to control devices which require precise regulation
a quartz watch
quartzose adjective

Examples of quartz in a Sentence

Recent Examples on the Web The beach is known for its soft quartz sand and Sunday night drum circles. Brittany Anas, Forbes, 24 Feb. 2024 Watchmakers were plentiful for many generations, but the influx of quartz timepieces in the 1970s saw the global talent pool plummet. Rachel Cormack, Robb Report, 22 Feb. 2024 While Bian stone is known for its healing properties, most jade or rose quartz stones will be able to achieve similar effects. Sophie Dodd, Peoplemag, 22 Feb. 2024 These are made up of tiny single crystals, such as quartz or some ceramics, with two electrodes attached. IEEE Spectrum, 11 Feb. 2024 This goes with me everywhere: my Reviver Lip Oil and mine's the rose quartz one, Pink Quartz one. Danielle Sinay, Glamour, 7 Feb. 2024 Popular choices include basic white plaster or quartz. Angie Hicks, Miami Herald, 31 Jan. 2024 Back inside, the living room has a linear fireplace, and an adjoining dining area connects to a galley-style kitchen outfitted with custom cabinetry, quartz countertops, an eat-in island, a dehydrator and Sub-Zero refrigerator. Wendy Bowman, Robb Report, 26 Jan. 2024 The circular room—with its earthen floor, domed ceiling, petrified-wood water feature, and illuminated quartz crystal—felt womb-like. Katie James Watkinson, Condé Nast Traveler, 26 Jan. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'quartz.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


German Quarz

First Known Use

circa 1631, in the meaning defined at sense 1

Time Traveler
The first known use of quartz was circa 1631

Dictionary Entries Near quartz

Cite this Entry

“Quartz.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quartz. Accessed 5 Mar. 2024.

Kids Definition


: a common mineral consisting of silicon dioxide that is often found in the form of colorless transparent crystals but is sometimes (as in amethysts, agates, and jaspers) brightly colored

Medical Definition


: a mineral SiO2 consisting of a silica that occurs in colorless and transparent or colored hexagonal crystals and also in crystalline masses

More from Merriam-Webster on quartz

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