noun

• A substance used to produce very low temperatures.

  ‘The first cryogens were liquid air and compressed carbon dioxide snow.’

  More example sentences

  • ‘After all, a superconductor that is both easy to process and can be cooled using electrical refrigerators, rather than messy cryogens, would find many applications.’
  • ‘They also recommended that a prototype using hydrogen as a combined cryogen and form of energy transport be designed, built and tested at one of the national laboratories.’
  • ‘Accelerators with cryogenics or superconducting magnets use distribution boxes to supply cryogens for the cold devices.’
  • ‘The material combination of high strength, good toughness, and weldability should prompt designers to specify it for welded pressure vessels for the storage of cryogens.’
  • ‘A cryogen spray simultaneously cools the skin's surface before, during and after each radio frequency pulse to further protect the epidermis.’
  • ‘As the heat from the RF frequency stimulates the collagen, a cryogen spray is used to cool the outer layer of skin to tighten it up, and to prevent any burning effect.’
  • ‘This approach preserves native structure by rapidly freezing the specimen in a thin aqueous layer by plunging into cryogen, without the use of fixatives or stains.’