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
But the miniature quartz for ladies, at 26 mm, is probably $4,500.
—
Victoria Gomelsky, Robb Report, 30 Mar. 2026
Using rose quartz, incense, or flowers can also aid you.
—ABC News, 30 Mar. 2026
Viking and Sub-Zero appliances, white cabinetry, and a mix of quartz and granite countertops keep it clean and practical.
—Miriam Schwartz, Hartford Courant, 29 Mar. 2026
Until the economies of scale kicked in that would shove mechanical movements into near oblivion within a decade, quartz watches were priced well at the luxury end of the market.
—David Szondy
march 28, New Atlas, 28 Mar. 2026
See All Example Sentences for quartz
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Victoria Gomelsky, Robb Report, 30 Mar. 2026
Using rose quartz, incense, or flowers can also aid you.
—ABC News, 30 Mar. 2026
Viking and Sub-Zero appliances, white cabinetry, and a mix of quartz and granite countertops keep it clean and practical.
—Miriam Schwartz, Hartford Courant, 29 Mar. 2026
Until the economies of scale kicked in that would shove mechanical movements into near oblivion within a decade, quartz watches were priced well at the luxury end of the market.
—David Szondy
march 28, New Atlas, 28 Mar. 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 5 Apr. 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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