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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Couples who stay close over the long haul rarely run on pure self-sacrifice.
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What ensued was 90 minutes of pure sound.
Adjective
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Don’t use undiluted vinegar since its acidity can damage outer frames or other surfaces near the glass.
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Carpenter’s spare slasher is remarkable for its restraint and its fusion of popcorn suspense with pure, undiluted terror.
Adjective
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The city's website also includes guidelines regarding the disposal of sandbags — only dry and uncontaminated bags should be reused, and those that have been exposed to floodwaters should be placed in residents' bulk trash piles for collection.
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Lin collects uncontaminated plastics which include needle and medication caps, as well as plastic containers.
Adjective
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This was a mouse study using a purified research-grade form of phytic acid, not the kind on your dinner plate.
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The work was done in mice using a purified form of phytic acid.
Adjective
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Or at least movies about soccer can, engaging with themes of race and gender, ego, hubris, economics, politics, fandom, the thrill of victory and the agony of defeat — as well as, of course, unadulterated athleticism.
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Pure, unadulterated chaos delivered by one of the most exciting groups of young talent in the world.
Adjective
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Sellke, Shi, and Wang then showed that after a certain number of shuffles (which depended on how many cards were in the deck), the overlap between the decks’ regions of unmixed cards disappeared at an exponential rate.
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Baking the cake unmixed creates a deliciously gooey cake that is crumbly and buttery on top.
Adjective
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Linger there for some stargazing beneath a sky totally untainted by light.
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The motion concluded an untainted special counsel was necessary because the issues involved allegations of contempt and misconduct at high levels in the Justice Department.
Adjective
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The island’s primitive campsites are a great way to enjoy the unpolluted dark skies in a serene atmosphere.
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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.
Cite this Entry
“Ultrapure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultrapure. Accessed 27 Jun. 2026.
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