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

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
On Earth, that requires cryogenic liquids, which are ill-suited for a satellite.

— Victor Tangermann, Futurism, 9 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

For even more dramatic alpine scenery, make the drive to Glacier National Park to hike beneath glaciers, spot rushing waterfalls fed by ancient ice fields, and brave a freezing cold plunge in an aquamarine glacier lake.

— Alexandra Emanuelli, Travel + Leisure, 13 July 2026
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

Definition of freezing

Adjective

While Io itself is far too hostile to support life, microwave instruments can also probe beneath icy surfaces.

— Samantha Mathewson, Space.com, 24 July 2026
Page, an imposing figure in his double-breasted suit, can add a seductive lilt to his booming bass or an icy edge that provides a peek into his embittered soul.

— Wilson Chapman, IndieWire, 22 July 2026

Definition of icy

Adjective

In The Last Person on Earth, Perel and a team of matchmakers will bring together couples who appear to be polar opposites, before embarking on an adventure in one of the world’s most romantic and remote destinations.

— Max Goldbart, Deadline, 23 July 2026
As the spacecraft closed in, the video follows Mars steadily expanding to reveal numerous craters puncturing its surface, the ancient double-ringed Huygens crater and the south polar ice cap before receding in the spacecraft's rearview.

— Sharmila Kuthunur, Space.com, 22 July 2026

Definition of polar

Adjective

Move the animal into shade or air conditioning, regulate its temperature with cool, not ice-cold, water and head to the nearest veterinary clinic while continuing cooling efforts during the trip.

— Lauren Paige Richeson, USA Today, 21 July 2026
With Nowhere To Be If a typical beach town is laid-back, then Grayton Beach is fully reclining—in a hammock, with an ice-cold margarita in hand.

— Kaitlyn Yarborough, Southern Living, 10 July 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 28 Jul. 2026.

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Synonyms of ultracold

adjective

Example Sentences

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