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
Other staples of the longstanding Zodiaque include men’s and women’s 18k white gold watches, set by hand in glimmering diamonds, and long pendant necklaces set against colorful malachite, sodalite, quartz, and turquoise.
—
Micaela English, Travel + Leisure, 19 Feb. 2026
Trim Details Slab backsplashes—the use of a single slab of marble, quartz, porcelain, or granite instead of backsplash tile—are hugely popular.
—Lauren Bengtson, Better Homes & Gardens, 19 Feb. 2026
The combination of white quartz and bleached ash wood make this a piece that will brighten up even windowless bathrooms.
—Audrey Lee, Architectural Digest, 18 Feb. 2026
The unit has two bedrooms, floor-to-ceiling windows, wide-plank hardwood floors and a custom kitchen with quartz countertops, a tile backsplash and Bosch panel appliances.
—Bob Goldsborough, Chicago Tribune, 16 Feb. 2026
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Micaela English, Travel + Leisure, 19 Feb. 2026
Trim Details Slab backsplashes—the use of a single slab of marble, quartz, porcelain, or granite instead of backsplash tile—are hugely popular.
—Lauren Bengtson, Better Homes & Gardens, 19 Feb. 2026
The combination of white quartz and bleached ash wood make this a piece that will brighten up even windowless bathrooms.
—Audrey Lee, Architectural Digest, 18 Feb. 2026
The unit has two bedrooms, floor-to-ceiling windows, wide-plank hardwood floors and a custom kitchen with quartz countertops, a tile backsplash and Bosch panel appliances.
—Bob Goldsborough, Chicago Tribune, 16 Feb. 2026
See All Example Sentences for quartz
Cite this Entry
“Quartz.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quartz. Accessed 21 Feb. 2026.
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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