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liquid air

a pale blue, intensely cold liquid, obtained by the compression and cooling of air: used as a source of oxygen, nitrogen, and inert gases, and as a refrigerant.
Origin of liquid air
First recorded in 1895-1900 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for liquid air
Historical Examples
  • Were liquid air in sufficient quantities available, the fuel problem would cease to have any significance.

  • Nadine's enjoyment in this liquid air had been suddenly extinguished.

    Dodo's Daughter E. F. Benson
  • Donald made up small parcels of liquid air and carbon while Johnny drilled holes in the coal.

    Red Dynamite Roy J. Snell
  • You see the oxygen in liquid air is free to join with carbon.

    Red Dynamite Roy J. Snell
  • But Mich'l, watching that widening margin for the dreaded gush of liquid air, only trembled with relief.

  • “Powerful stuff, liquid air and carbon,” the boy said to himself.

    Red Dynamite Roy J. Snell
  • liquid air is the principal commercial source of pure oxygen, nitrogen, and other gases found in the atmosphere.

    Meteorology Charles Fitzhugh Talman
  • Every gallon of liquid air has been produced at the expense of work of some kind.

  • As when a tree shoots up with gentle dews into the liquid air.

    Excursions and Poems Henry David Thoreau
  • As you have already surmised, liquid air is a product of intense cold.

British Dictionary definitions for liquid air

liquid air

air that has been liquefied by cooling. It is a pale blue and consists mainly of liquid oxygen (boiling pt: –182.9°C) and liquid nitrogen (boiling pt: –195.7°C): used in the production of pure oxygen, nitrogen, and the inert gases, and as a refrigerant
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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