ULTRACOLD Synonyms: 90 Similar and Opposite Words

ultracold

adjective

Definition of ultracold

as in cryogenic

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of ultracold There, the trio tinkered with ultracold electronics to show that unruly quantum effects could be made macroscopic and controlled. — Dan Garisto, Scientific American, 7 Oct. 2025 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 The number of ultracold atoms in the resulting Bose-Einstein condensate was measured and fed back to the player as a score. — IEEE Spectrum, 22 Oct. 2019 See All Example Sentences for ultracold

Recent Examples of Synonyms for ultracold

Adjective

Researchers from Helical Fusion and the National Institute for Fusion Science placed the test coil inside a specialized cryogenic chamber.

— Aman Tripathi, Interesting Engineering, 26 Aug. 2026
The case arose after a patient entered a fertility clinic’s cryogenic storage area and dropped a container holding frozen embryos.

— Risa Cromer, The Conversation, 17 July 2026

Definition of cryogenic

Adjective

Drawing on his time doing drag in Toronto, Shatford paid homage to the dedication needed to dress up in subzero temperatures.

— Violet Goldstone, Footwear News, 5 June 2026
As the episode makes clear, fishing this far north comes with brutal conditions, including shallow waters, towering waves and subzero temperatures.

— Deirdre Durkan, PEOPLE, 7 May 2026

Definition of subzero

Adjective

Freeze Warning The stronger of the two alerts, this warning calls for sub-freezing temperatures dropping as low as 30 degrees.

— Ahmad Bajjey, CBS News, 16 Oct. 2026
As a result, sudden freezing temperatures can cause materials to fracture easily.

— Mrigakshi Dixit, Interesting Engineering, 14 Oct. 2026

Definition of freezing

Adjective

In winter, some wetlands become more accessible as thick, spongelike layers of organic-rich peat freeze solid and become strong enough to support snow machines on their icy surfaces.

— Literary Hub, Literary Hub, 16 Oct. 2026
Set against the Swiss Alps, the story follows an Englishman (Spall) found barely alive in an icy mountain stream by local woman Alma (Deleila Piasko) and her young son, Franz.

— Jesse Whittock, Deadline, 16 Oct. 2026

Definition of icy

Adjective

That level of pure confidence while talking to the person with cold, hard footage is what makes Lisa Barlow the perfect Real Housewife.

— Tom Smyth, Vulture, 15 Oct. 2026
Shea’s supervisor confronted her when Shea’s findings in a cold case could not be replicated.

— Julia Coin, Charlotte Observer, 15 Oct. 2026

Definition of cold

Adjective

The McDonald’s drive-thru has always been a great place to grab a quick bite on the road or the perfect mid-afternoon snack (which is an order of piping hot and perfectly salty fries and an ice-cold Diet Coke).

— Melissa Locker, Southern Living, 28 Sep. 2026
Now top it off with a pint of ice-cold hard cider, pouring slowly to keep those bubbles bright.

— ABC News, ABC News, 28 Sep. 2026

Definition of ice-cold

Adjective

Justin Sauers, the tower’s operator, opened a door in the cabin to greet Donnelly, releasing an arctic blast.

— Robert Sullivan, New Yorker, 17 Aug. 2026
His firm has been tracking worldwide advertising content for years, and it's seen a 30% to 40% increase in ad spend targeting warmer regions with arctic imagery.

— Christopher Elliott, USA Today, 7 Aug. 2026

Definition of arctic

Browse Nearby Words

ultraclean

ultracold

ultracompetent

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“Ultracold.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultracold. Accessed 20 Oct. 2026.

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Synonyms of ultracold

adjective

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