as in pure
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Recent Examples of ultrapure
The pipe fitter at a pharmaceutical plant is installing the ultrapure water systems that drugmakers need to make medicine safe.
—
Sydney Lake, Fortune, 21 Apr. 2026
Manufacturers create fiber optic silicon dioxide, called silica, by chemically reacting gases that contain silicon with oxygen, leading to an ultrapure glass.
—John Ballato, The Conversation, 24 Mar. 2026
Over 60% of ultrapure water for semiconductor processes is purified with DuPont’s exchange resins.
—Jeff Marks, CNBC, 15 Oct. 2025
Silicon Wafers The ultrapure silicon is made up of many crystals at different orientations.
—IEEE Spectrum, 22 Sep. 2025
Researchers first treated and sterilized thin sections of fossil using a mixture of ultrapure water and ethanol.
—Andrew Paul, Popular Science, 6 Feb. 2025
Sydney Lake, Fortune, 21 Apr. 2026
Manufacturers create fiber optic silicon dioxide, called silica, by chemically reacting gases that contain silicon with oxygen, leading to an ultrapure glass.
—John Ballato, The Conversation, 24 Mar. 2026
Over 60% of ultrapure water for semiconductor processes is purified with DuPont’s exchange resins.
—Jeff Marks, CNBC, 15 Oct. 2025
Silicon Wafers The ultrapure silicon is made up of many crystals at different orientations.
—IEEE Spectrum, 22 Sep. 2025
Researchers first treated and sterilized thin sections of fossil using a mixture of ultrapure water and ethanol.
—Andrew Paul, Popular Science, 6 Feb. 2025
Recent Examples of Synonyms for ultrapure
Adjective
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Beyond that, he’s motivated by pure self-interest.—
Cressida Leyshon,
New Yorker,
26 Apr. 2026
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The Jets are in need of talent up and down the roster and getting possibly the best pure pass rusher in the class is a good place to start.—
Zack Rosenblatt,
New York Times,
25 Apr. 2026
Adjective
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Things like abrasive cleaners, stiff scrub brushes, undiluted bleach, and strong acidic solutions can permanently scratch or dull the surface of acrylic and fiberglass tubs.—
Caroline Lubinsky,
Martha Stewart,
10 Apr. 2026
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Fill a sealable jar, such as a mason jar, with leftover peels about halfway, and then fill with undiluted white vinegar.—
Sheila Kim,
The Spruce,
8 Apr. 2026
Adjective
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Because the urine passes through an uncontaminated system, the collected data is relatively precise and reliable.—
Maryna Holovnova,
New Atlas,
30 Mar. 2026
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Always use pure, uncontaminated wood ash and test your soil pH before adding.—
Brandee Gruener,
Southern Living,
4 Feb. 2026
Adjective
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It is first pulverized into a fine powder, then dried, purified, and treated at the surface to optimize its reactivity.—
Bojan Stojkovski,
Interesting Engineering,
26 Apr. 2026
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Biochar is a purified, charcoal-like material that’s created by burning organic matter in a low-oxygen environment.—
Lauren Landers,
Better Homes & Gardens,
21 Apr. 2026
Adjective
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Who knew duking it out at the top of the league could be such unadulterated torture?—
Amy Lawrence,
New York Times,
26 Apr. 2026
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An unadulterated sonic purity emanates from its soundhole.—
Peter Wayne Moe,
Longreads,
26 Mar. 2026
Adjective
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Baking the cake unmixed creates a deliciously gooey cake that is crumbly and buttery on top.—
Melinda Salchert,
Southern Living,
3 Oct. 2025
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Only unmixed household hazardous waste will be accepted.—
Joe Rassel,
The Orlando Sentinel,
2 Apr. 2025
Adjective
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Some are fortunate to have a source of clean water and pipes that ensure that water reaches residents' homes untainted.—
Karl Schneider,
IndyStar,
31 Mar. 2026
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Reich acknowledges there's no form of untainted money.—
Katia Riddle,
NPR,
30 Mar. 2026
Adjective
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Rather, many environmental groups inside and outside Lebanon argue that addressing such issues is necessary to ensure the promotion of human rights in the region and equitable access to unpolluted farmland, water and forests.—
Josiane Yazbeck,
The Conversation,
22 Jan. 2026
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The island’s primitive campsites are a great way to enjoy the unpolluted dark skies in a serene atmosphere.—
Evie Carrick,
Travel + Leisure,
28 Apr. 2025
Cite this Entry
“Ultrapure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultrapure. Accessed 2 May. 2026.
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