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 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 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 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 Building a mini cosmos Professor Giovanni Barontini of the University of Birmingham and his team created the miniature universe using a cloud of 24,000 ultracold atoms. — Aamir Khollam, Interesting Engineering, 13 June 2026 See All Example Sentences for ultracold

Recent Examples of Synonyms for ultracold

Adjective

Even in the modern era, few mortals can achieve such milestone anniversaries, at least not without the help of a cryogenic freezer.

— Hillary Busis, Vanity Fair, 22 June 2026
The temperature in a cryogenic freezer in the cell-therapy lab starts climbing toward the danger line.

— Corey Elinburg, Forbes.com, 17 June 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

If freezing temperatures are predicted, pick any ripe fruit and cover the trunks of young trees with burlap or newspaper to insulate them.

— Mary Marlowe Leverette, The Spruce, 4 July 2026
The injured climber couldn’t continue, forcing the pair to spend a freezing night on the mountain with limited supplies.

— James Ward, USA Today, 2 July 2026

Definition of freezing

Adjective

Multiple moons in the outer solar system — Saturn's Enceladus and Jupiter's Europa, for example — host big liquid-water oceans beneath their icy shells.

— Mike Wall, Space.com, 3 July 2026
From aqua suede to icy satin, from stilettos to ballet flats and beach-ready sandals, whatever your bridal style calls, for there’s a pair of blue shoes to match.

— Rosie Jarman, Vogue, 2 July 2026

Definition of icy

Adjective

Next to him, the waters of Lincoln’s Sinking Spring still ran cold.

— Chris Kenning, USA Today, 2 July 2026
If time doesn’t allow for spa treatments, a morning swim in the indoor pool accompanied by a sauna and cold plunge in one of their two thermal suites might suffice.

— Katie Kelly Bell, Forbes.com, 1 July 2026

Definition of cold

Adjective

According to the Copernicus Climate Change Service and the Copernicus Marine Service, global ocean temperatures outside the polar regions hit record levels on June 21, surpassing levels for the time of the year observed in both 2023 and 2024.

— Chantal Da Silva, NBC news, 1 July 2026
The agency also plans to seek proposals for additional commercial landers, technology demonstrations, a south polar imaging mission, and a communications relay network linking lunar assets with Earth.

— Aamir Khollam, Interesting Engineering, 30 June 2026

Definition of polar

Adjective

This aura nail design in pale yellow and Aperol orange will feel just as refreshing on your nails as an ice-cold spritz.

— Daisy Maldonado, InStyle, 26 June 2026
Malian star soccer forward Mamadou Sidibé exudes understated competence and resourcefulness in his hopsack-weave linen suit en route into Dior Homme on June 24, but what really carries this outfit into the ice-cold stratosphere of style is the choice of the tie-free wing collar.

— Guy Martin, Forbes.com, 25 June 2026

Definition of ice-cold

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 7 Jul. 2026.

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Synonyms of ultracold

adjective

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