How to Use ultracold in a Sentence

ultracold

adjective
  • For example, Pfizer’s vaccine needs to be kept in ultracold freezers if stored for longer than two weeks, which small sites may not have.
    — Sarah Zhang, The Atlantic, 4 May 2021
  • Ordinarily, that would be a puzzle because the ions are ultracold and have no other source of energy.
    — The Physics Arxiv Blog, Discover Magazine, 5 Aug. 2021
  • This helps shield the telescope’s ultracold instruments from heat and light that could interfere with its observations.
    — NBC news, 21 Dec. 2021
  • Pfizer’s vaccine must be stored in ultracold freezers, but Moderna’s can be kept in a standard freezer like those found in most home kitchens.
    — Robert Langreth, Fortune, 19 Dec. 2020
  • Moderna’s can be stored in normal freezers, but Pfizer’s requires ultracold storage such as dry ice.
    — Ed Yong, The Atlantic, 29 Dec. 2020
  • The vaccines could offer advantages for poorer countries that lack the ultracold freezer network that some shots require.
    — Mary Beth Sheridan, Washington Post, 18 June 2022
  • There, for the past 5 years, a high-tech thermos called Arktek has helped distribute Ebola vaccines that must be kept ultracold.
    — Jocelyn Kaiser, Science | AAAS, 16 Nov. 2020
  • These ultracold atom clouds are actually closer to being a unitary gas than neutron star matter, so the analogy isn’t perfect.
    — Matthew Smith, Ars Technica, 8 July 2023
  • Many African countries lack proper storage for vaccines such as Pfizer’s, which needs to be stored at ultracold temperatures.
    — Yasmeen Abutaleb and Lesley Wroughton, Anchorage Daily News, 30 Nov. 2021
  • The vaccines also require ultracold temperatures, which experts say limits their use — at least for now — to wealthier countries.
    — New York Times, 3 May 2021
  • The Pfizer vaccine, once required to have ultracold freezers, can stay in a regular refrigerator for five days.
    — BostonGlobe.com, 28 Aug. 2021
  • Some vaccines must be stored at ultracold temperatures, so expanding the list of vaccine distributors could mean some doses go to waste if providers can’t use them quickly enough.
    — Stephanie Armour, WSJ, 30 Apr. 2021
  • The Pfizer vaccine must be stored at ultracold temperatures and administered quickly after it is thawed out.
    — Mohamed Ibrahim, Star Tribune, 26 Mar. 2021
  • For the time being, the shot is only being administered by 50 hospitals, owing to its ultracold storage needs.
    — Benjamin Mueller, New York Times, 8 Dec. 2020
  • Initial shipments of that vaccine went to hospitals with ultracold storage, bypassing many of the smaller facilities across the state.
    — al, 13 Jan. 2021
  • Maintaining the propellants at steady, ultracold temperatures inside the depot will be a challenge.
    — Kenneth Chang, New York Times, 18 Nov. 2023
  • Most superconductors have to be chilled to ultracold temperatures, which limits their practical use.
    — Kenneth Chang, New York Times, 26 July 2023
  • Doctors’ offices do not have ultracold freezers; neighborhood pharmacies don’t either.
    — Helen Branswell, STAT, 19 Dec. 2020
  • Unlike the Pfizer vaccine, the Moderna vaccine does not need to be stored at ultracold temperatures.
    — NBC News, 19 Dec. 2020
  • Improving our atomic clocks With current state-of-the-art atomic clocks, physicists measure the oscillations of thousands of ultracold atoms.
    — Joshua Hawkins, BGR, 18 July 2022
  • Moreover, the larger hospitals had the ultracold freezers needed to store the vaccines and the experience handling and distributing shots.
    — Andrea Gallo, NOLA.com, 9 Jan. 2021
  • The pharmacies have the ability to store the Pfizer vaccine at the necessary ultracold temperatures and transport it to nursing homes across the state.
    — al, 15 Jan. 2021
  • The facility also includes a mammoth warehouse and giant ultracold freezers being prepared to store about two weeks of supplies used in the development process.
    — Meredith Cohn, baltimoresun.com, 26 Oct. 2021
  • Some countries have struggled to get in place the ultracold freezers necessary to store the Pfizer-BioNTech vaccine.
    — Washington Post, 21 Dec. 2020
  • Covid vaccines are finicky, hard to manufacture, and hard to distribute because of, in the case of the ones based on mRNA, a snowflake-like need for ultracold freezers.
    — Adam Rogers, Wired, 19 Nov. 2021
  • That story includes issues of access, fragile health-care systems and the difficulty of making sure Pfizer’s vaccine remains ultracold.
    — Yasmeen Abutaleb and Lesley Wroughton, Anchorage Daily News, 30 Nov. 2021
  • Pfizer says its vaccine has a shorter shelf life of five days after being transferred from ultracold storage to a refrigerator, leaving a short window to administer the vaccines.
    — Bahar Aliakbarian, The Conversation, 4 Dec. 2020
  • The vaccines must also be stored at ultracold temperatures, and if no storage capacity is available the doses have to be administered within five days of arrival, health officials said.
    — Mike Nolan, chicagotribune.com, 16 Dec. 2020
  • Israel has depended on the Pfizer vaccine, which requires ultracold storage, to inoculate more than 40 percent of its residents.
    — Washington Post, 20 Feb. 2021
  • Once manufactured, the vaccines had to be kept at ultracold temperatures far beyond the range of conventional refrigeration and to be transported with those subfreezing levels holding steady.
    — Liz Young, WSJ, 24 Sep. 2022

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'ultracold.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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