ultracold

adjective

Definition of ultracoldnext
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
  1. cryogenic
  2. subzero
  3. freezing
  4. icy
  5. cold
  6. polar
  7. ice-cold
  8. arctic
Adjective
  • Engineers had to solve combustion instability, turbopump problems, structural loads, and the challenges of handling cryogenic propellants at unprecedented scale.
    — Kaif Shaikh, Interesting Engineering, 12 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
  • The freezing-water memories apparently became something of a theme for the franchise.
    — Lily Brown, PEOPLE, 13 Aug. 2026
  • Elective egg freezing was considered experimental until about 2013, when freezing techniques improved.
    — Jen Christensen, CNN Money, 11 Aug. 2026
Definition of freezing
Adjective
  • By contrast, cool blondes feature ash, pearl, or icy tones for a cleaner, brighter look.
    — Emma-Jade Stoddart, Glamour, 20 Aug. 2026
  • The cancellation of this upgrade has implications for some of the European Space Agency’s science missions, including a probe to Saturn’s icy moon Enceladus.
    — Eric Berger, ArsTechnica, 20 Aug. 2026
Definition of icy
Adjective
  • The Port of Los Angeles forklift driver was wearing a life vest and was floating away, out to sea -- cold, worried about sharks and drowning.
    — Michele Gile, CBS News, 20 Aug. 2026
  • In the last week, the park has experienced harsh winds and cold temperatures overnight.
    — Jack Guy, CNN Money, 20 Aug. 2026
Definition of cold
Adjective
  • They’re covered in moisture-wicking polar fleece with memory foam footbeds and rubber soles for better traction.
    — Mia Huelsbeck, PEOPLE, 21 Aug. 2026
  • The effects would be especially disruptive in Antarctica, where observatories take advantage of the continent’s remote, dry conditions and the round-the-clock darkness of polar winter to study subtle signals such as the cosmic microwave background.
    — Arielle Frommer, Scientific American, 20 Aug. 2026
Definition of polar
Adjective
  • That’s an ice-cold view of things, but this is an cold league.
    — Chris Perkins, Sun Sentinel, 17 Aug. 2026
  • These coolers are the best at remaining ice-cold during a long weekend of fishing or camping.
    — Brandee Gruener, Southern Living, 15 Aug. 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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Cite this Entry

“Ultracold.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultracold. Accessed 25 Aug. 2026.

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