as in cryogenic
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Recent Examples of ultracold
The biggest challenge is that the property was observed at ultracold temperatures of about 60 kelvins (-351 °F/-213 °C).
—
Abhimanyu Ghoshal, New Atlas, 13 June 2025
Its infrared sensors, its ultracold location in space, and its sunshield — which blocks the light of the sun, moon and Earth — are uniquely suited to resolve the first galaxies and their stars.
—Rebecca Boyle, Quanta Magazine, 9 Oct. 2024
But for now, shipment and long-term preservation still require ultracold temperatures, posing logistical challenges in some countries.
—Nicole Lurie, Foreign Affairs, 23 Dec. 2021
The number of ultracold atoms in the resulting Bose-Einstein condensate was measured and fed back to the player as a score.
—Ottó Elíasson, IEEE Spectrum, 22 Oct. 2019
See All Example Sentences for ultracold
Abhimanyu Ghoshal, New Atlas, 13 June 2025
Its infrared sensors, its ultracold location in space, and its sunshield — which blocks the light of the sun, moon and Earth — are uniquely suited to resolve the first galaxies and their stars.
—Rebecca Boyle, Quanta Magazine, 9 Oct. 2024
But for now, shipment and long-term preservation still require ultracold temperatures, posing logistical challenges in some countries.
—Nicole Lurie, Foreign Affairs, 23 Dec. 2021
The number of ultracold atoms in the resulting Bose-Einstein condensate was measured and fed back to the player as a score.
—Ottó Elíasson, IEEE Spectrum, 22 Oct. 2019
See All Example Sentences for ultracold
Recent Examples of Synonyms for ultracold
Adjective
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This is an issue where cryogenic propellants sublimate due to minor, constant temperature fluctuations.—
Chris Young,
Interesting Engineering,
3 Nov. 2025
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The temperature, however, felt a little too cryogenic, perhaps as revenge for the sweltering summer Italy was enduring.—
Antonia Mortensen,
CNN Money,
28 Oct. 2025
Adjective
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Drifting With the Ice In subzero temperatures, under the dark of polar night, nearly 100 people drifted on a piece of ice for close to a year.—
Yasemin Saplakoglu,
Quanta Magazine,
15 Sep. 2025
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In what’s been called a risky, daring, and heroic mission, a Royal New Zealand Air Force crew flew 2,400 miles in 20 hours in subzero temperatures and total polar darkness to evacuate three American scientists at the McMurdo research station in Antarctica on Aug. 5.—
George Petras,
USA Today,
9 Aug. 2025
Adjective
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Meanwhile, freezing temperatures are invading the Northeast and the South.—
Kenton Gewecke,
ABC News,
11 Nov. 2025
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As someone who always brings an extra jacket to the movies, the theater, coffee shops, and even summer dinners—just in case the evening turns cool—a freezing-cold airplane is one of my biggest travel pet peeves.—
Julia Morlino,
Travel + Leisure,
11 Nov. 2025
Adjective
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Add in snow piles that narrow the shoulders, chain controls, and icy roads, and delays are just part of the Tahoe travel experience.—
AFAR Media,
AFAR Media,
7 Nov. 2025
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The look is finished off with an icy translucent rubber outsole.—
Riley Jones,
Footwear News,
5 Nov. 2025
Adjective
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After playing a career-best game to tip off the season, pouring in 31 points against Indiana State, Bradford has gone cold from beyond the arc in the past two games, not attempting a three against Tennessee Tech and missing all five of his attempts on Tuesday night.—
Hunter Bailey,
Charlotte Observer,
12 Nov. 2025
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To balance their regular caseload, Landrum said Moore police detectives passed the baton to the US Marshals, who specialized in tracking criminals across state lines and solving cold cases.—
Chelsea Bailey,
CNN Money,
11 Nov. 2025
Adjective
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The blast is courtesy of our old wintertime foe the polar vortex, said Weather Trader meteorologist Ryan Maue on X, while the source of the cold comes all the way from such miserably figid spots such as Greenland, the Canadian Arctic, and even the North Pole!—
Doyle Rice,
USA Today,
11 Nov. 2025
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This is a full scale polar plunge.—
Briana Waxman,
CNN Money,
10 Nov. 2025
Adjective
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Book a table at Supernormal, Andrew McConnell’s cult Melbourne import serving up lobster rolls and ice-cold martinis against views of the Story Bridge.—
Alli Forde,
Travel + Leisure,
6 Nov. 2025
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This Swedish import swept into American theaters in 2008 like a blast of ice-cold air, stunning critics and audiences alike with its unique, haunting take on vampire myths.—
Katie Rife,
Entertainment Weekly,
29 Oct. 2025
Adjective
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Polar vortex to bring 'shocking' arctic blast to Ohio this weekend.—
Brandi D. Addison,
Cincinnati Enquirer,
8 Nov. 2025
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Surprisingly, several glaciers are hidden in the mountains (four were only just discovered in 2010), along with numerous relict arctic plants from the last ice age.—
Literary Hub,
Literary Hub,
22 Oct. 2025
Cite this Entry
“Ultracold.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultracold. Accessed 15 Nov. 2025.
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