as in pure
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Recent Examples of ultrapure
Low-iron glass is made from ultrapure sand that is low in iron oxide.
—
Aki Ishida, The Conversation, 10 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
That process requires expensive tools, such as lithography machines, and ultrapure water filtration.
—Dylan Sloan, Fortune, 10 Apr. 2024
Municipalities are also launching water recycling programs to relieve pressure on aquifers: New technologies can now turn very-much-not-consumable wastewater into ultrapure liquid for drinking or watering crops.
—Matt Simon, WIRED, 24 Jan. 2024
Sapphire is also less sensitive to vibrations and is easier to obtain in ultrapure form than other mineral crystals, such as diamond.
—IEEE Spectrum, 24 June 2021
Aki Ishida, The Conversation, 10 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
That process requires expensive tools, such as lithography machines, and ultrapure water filtration.
—Dylan Sloan, Fortune, 10 Apr. 2024
Municipalities are also launching water recycling programs to relieve pressure on aquifers: New technologies can now turn very-much-not-consumable wastewater into ultrapure liquid for drinking or watering crops.
—Matt Simon, WIRED, 24 Jan. 2024
Sapphire is also less sensitive to vibrations and is easier to obtain in ultrapure form than other mineral crystals, such as diamond.
—IEEE Spectrum, 24 June 2021
Recent Examples of Synonyms for ultrapure
Adjective
-
Well, despite Peaches dying, all Robbie got was a massive load of pure fentanyl.—
Grace Byron,
Vulture,
15 Sep. 2025
-
Soon, boundary-free mowing took hold, powered by new technologies like pure vision, UWB, and RTK—each with merits and drawbacks.—
Ni Tao,
Interesting Engineering,
15 Sep. 2025
Adjective
-
While here, guests will be able to enjoy traditional Japanese architecture and exceptional water quality that is completely undiluted with tap water.—
Kim Kay,
Travel + Leisure,
30 Aug. 2025
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Due to the potential risk to people who handle diquat in undiluted concentrations, the EPA requires certain workers to wear protective clothing, including respirators and protective eyewear.—
John Moritz,
Hartford Courant,
12 Aug. 2025
Adjective
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Your Sterile Drugs, Like Eye Drops, Could Become Dangerous Or Deadly The FDA helps ensure that sterile drugs are actually sterile — non-toxic and uncontaminated.—
Brian Castrucci,
Forbes.com,
5 May 2025
-
The wealthy were generally able to afford higher quality, authentic, uncontaminated products.—
Lauren Leffer,
Popular Science,
1 May 2025
Adjective
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Sustainability tours offer a behind-the-scenes look at the renewable building materials used to construct the lodge, as well as a tutorial on how the 240 solar panels, 10 water turbines, and 48 energy storage units provide renewable energy and purified water.—
Devorah Lev-Tov,
AFAR Media,
26 Aug. 2025
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Lifestraw estimates that the Escape can deliver 1 liter of purified water per minute.—
New Atlas,
New Atlas,
23 Aug. 2025
Adjective
-
Wrote, directed, and acted in Guffman holds the honor of being the point at which contemporaneous audiences first experienced a real, unadulterated Christopher Guest movie.—
Anne Victoria Clark,
Vulture,
12 Sep. 2025
-
Sister Maria will have people leaving the cinema with a skip in their step — her unadulterated positive view of the world is absolutely infectious.—
Lily Ford,
HollywoodReporter,
28 Aug. 2025
Adjective
-
Only unmixed household hazardous waste will be accepted.—
Joe Rassel,
The Orlando Sentinel,
2 Apr. 2025
-
The seemingly unmixed demo made many social media users speculate whether the song was AI-generated before noted hip-hop commentator DJ Akademiks eventually played it — noticeably with some tweaks, like the omission of a line about P. Diddy and a different beat — on his livestream.—
Kyndall Cunningham,
Vox,
17 Mar. 2025
Adjective
-
Blake Snell, Tyler Glasnow and Yoshinobu Yamamoto are lined up to start for the Dodgers – and will meet them in San Diego well-rested and untainted by the lackluster effort at Coors Field.—
Bill Plunkett,
Oc Register,
22 Aug. 2025
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Trading card valuations can offer a unique market assessment of fan interest and player marketability, untainted by the structural constraints that artificially suppress WNBA salaries.—
Lindsey Darvin,
Forbes.com,
24 July 2025
Adjective
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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
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This is not just good for farmers, but for the 1.8 million people who rely on unpolluted water from our three county reservoirs.—
Reader Commentary,
Baltimore Sun,
2 Apr. 2025
Cite this Entry
“Ultrapure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultrapure. Accessed 19 Sep. 2025.
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