1
: a mineral consisting of silicon dioxide occurring in colorless and transparent or colored hexagonal crystals or in crystalline masses
2
: 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
Examples of quartz in a Sentence
Recent Examples on the Web
Moving up a marble staircase, black lacquered wood and green quartz dominate the space, which offers different corners furnished with plush armchairs and sofas that convey an apartment-like feel.
—
Sandra Salibian, Footwear News, 20 May 2025
Pasteur’s work on molecules rested on a previous discovery by Augustin-Jean Fresnel, who in 1822 realized that different quartz prisms could send light’s electric field twirling in one of two directions — clockwise or counterclockwise.
—Zack Savitsky, Quanta Magazine, 14 May 2025
The gourmet kitchen is well-appointed with high-end appliances, a large quartz waterfall island and pantry and is equipped with a service kitchen.
—David Caraccio, Sacbee.com, 13 May 2025
This is because the new FRC system allowed the engineers to dump the long quartz tubes at either end of the chamber that were used for plasma creation through supersonic collisions during plasma injection.
—David Szondy
may 10, New Atlas, 10 May 2025
See All Example Sentences for quartz
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Sandra Salibian, Footwear News, 20 May 2025
Pasteur’s work on molecules rested on a previous discovery by Augustin-Jean Fresnel, who in 1822 realized that different quartz prisms could send light’s electric field twirling in one of two directions — clockwise or counterclockwise.
—Zack Savitsky, Quanta Magazine, 14 May 2025
The gourmet kitchen is well-appointed with high-end appliances, a large quartz waterfall island and pantry and is equipped with a service kitchen.
—David Caraccio, Sacbee.com, 13 May 2025
This is because the new FRC system allowed the engineers to dump the long quartz tubes at either end of the chamber that were used for plasma creation through supersonic collisions during plasma injection.
—David Szondy
may 10, New Atlas, 10 May 2025
See All Example Sentences for quartz
Cite this Entry
“Quartz.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quartz. Accessed 10 Jun. 2025.
Copy CitationKids Definition
quartz
noun
: 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
quartz
noun
: a mineral SiO2 consisting of a silica that occurs in colorless and transparent or colored hexagonal crystals and also in crystalline masses
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