as in pure
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Recent Examples of ultrapure
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
The famed Super-Kamiokande detector in Japan, which detected all of 12 neutrinos from a distant supernova in 1987, uses 50,000 metric tons of ultrapure water to catch a glimpse of the occasional neutrino interaction.
—Paul Sutter, Ars Technica, 11 June 2024
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
The famed Super-Kamiokande detector in Japan, which detected all of 12 neutrinos from a distant supernova in 1987, uses 50,000 metric tons of ultrapure water to catch a glimpse of the occasional neutrino interaction.
—Paul Sutter, Ars Technica, 11 June 2024
Recent Examples of Synonyms for ultrapure
Adjective
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My reaction was pure confusion, sarcasm, and not ill-intended.—
Wesley Stenzel,
Entertainment Weekly,
12 Apr. 2026
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Sitting at a baby grand piano, Mars prompted swoons with his delivery of the lyrics, his pure voice holding notes with the same muscularity as early in the show.—
Melissa Ruggieri,
USA Today,
11 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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Breads Bakery might have outposts across the city, but its quality remains undiluted.—
Condé Nast,
Condé Nast Traveler,
30 Mar. 2026
Adjective
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Always use pure, uncontaminated wood ash and test your soil pH before adding.—
Brandee Gruener,
Southern Living,
4 Feb. 2026
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On select nights, follow dinner or drinks with a visit to the adjacent observatory and enjoy uncontaminated views of the galaxy.—
Laura Itzkowitz,
Travel + Leisure,
25 Jan. 2026
Adjective
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Butlers place refillable water bottles ensuite that passengers can fill with purified still and sparkling water in their refrigerators, or at filling stations around the ship to use on board and ashore.—
Condé Nast,
Condé Nast Traveler,
15 Apr. 2026
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For example, the market demand for purified chitin is small right now, as it is used in niche applications, such as wound dressings and water filtration.—
J. Carson Meredith,
The Conversation,
17 Mar. 2026
Adjective
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An unadulterated sonic purity emanates from its soundhole.—
Peter Wayne Moe,
Longreads,
26 Mar. 2026
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For the same price, the MacBook Neo comes with an unadulterated version of Apple’s desktop OS.—
PC Magazine,
PC Magazine,
20 Mar. 2026
Adjective
-
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 22 Apr. 2026.
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