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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Dima, who asked to use a pseudonym out of concern for his privacy, lost all his toes to frostbite after spending five days trying to navigate the slopes in subzero temperatures.—
Clarissa Ward,
CNN Money,
23 Dec. 2025
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While most of Lower Michigan is expected to stay above zero, subzero temperatures are possible in the Upper Peninsula, especially overnight Thursday into early Friday, Dec. 18-19.—
Brandi D. Addison,
Freep.com,
17 Dec. 2025
Adjective
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Farther north, snow dusted Bologna and gave skiers in the Dolomites reason to cheer, though freezing temperatures are forecast for much of the north and central part of the peninsula over the coming days.—
Mike Corder,
Los Angeles Times,
6 Jan. 2026
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Scenes from outside the federal building included opposing demonstrations, with some voicing support for Maduro and many others who bundled up in the freezing weather to applaud his arrest.—
Kathryn Palmer,
USA Today,
5 Jan. 2026
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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The slick material keeps chafing to a minimum during workouts, and the brushed inside is so soft against the skin and helps keep cold air out and your body heat in.—
Olivia Dubyak,
InStyle,
8 Jan. 2026
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The heating coils are wrapped tightly and distributed evenly throughout the throw, providing consistent warmth without noticeable cold spots.—
Maggie Horton,
PEOPLE,
8 Jan. 2026
Adjective
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Moscow has also sought to boost its military presence in the polar region, home to its Northern Fleet and a site where the Soviet Union tested nuclear weapons.—
Danica Kirka,
Los Angeles Times,
6 Jan. 2026
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Josue Pasillas, the city’s assistant public relations director, said 400 people preregistered for the polar plunge and the other 215 came Thursday to join the effort.—
Steve Sadin,
Chicago Tribune,
5 Jan. 2026
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 9 Jan. 2026.
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