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
  • 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
  • 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
  • That could make the vaccine easier to deploy in places that don’t have specialized ultracold freezers or dry ice.
    San Diego Union-Tribune, 21 Dec. 2020
  • 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
  • Some countries have struggled to get in place the ultracold freezers necessary to store the Pfizer-BioNTech vaccine.
    Washington Post, 21 Dec. 2020
  • 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
  • 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
  • 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
  • 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
  • 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
  • Unlike the Pfizer vaccine, the Moderna vaccine does not need to be stored at ultracold temperatures.
    NBC News, 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
  • 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
  • According to Harris, there are about 70 facilities statewide that have agreed to distribute vaccines, and 15 of those have the ultracold storage units required for the Pfizer vaccine.
    al, 18 Dec. 2020
  • During a second launch attempt Sept. 3, the countdown was halted again, this time by a leak in the line filling ultracold liquid hydrogen into the rocket’s propellant tanks.
    Kenneth Chang, BostonGlobe.com, 15 Nov. 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 Pfizer vaccine, once required to have ultracold freezers, can stay in a regular refrigerator for five days.
    BostonGlobe.com, 28 Aug. 2021
  • Initial shipments of that vaccine went to hospitals with ultracold storage, bypassing many of the smaller facilities across the state.
    al, 13 Jan. 2021
  • But there are still big challenges to overcome: mRNA vaccines require ultracold storage and can cause unpleasant, and in very rare cases, dangerous, side effects.
    Denise Roland, WSJ, 23 July 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
  • 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
  • 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
  • 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
  • Most superconductors have to be chilled to ultracold temperatures, which limits their practical use.
    Kenneth Chang, New York Times, 26 July 2023
  • Despite a federal stockpile created so states can use all of their supplies, Tennessee officials maintain that the reserve is necessary because of the risk of damaging the vaccine, which requires ultracold storage.
    Democrat-Gazette Staff From Wire Reports, Arkansas Online, 18 Dec. 2020

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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