liquid air

American  

noun

1. 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.

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liquid air British  

noun

1. 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

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Etymology

Origin of liquid air

First recorded in 1895–1900

Example Sentences

See Examples For:

liquid air

That is less efficient than batteries, but he said the advantage of liquid air is the low cost of the storage tanks - so it can easily be scaled up.

From BBC ● Nov. 6, 2020

Also, unlike batteries, liquid air storage does not create a demand for rare earth minerals which may become increasingly scarce as the world moves towards power systems based on variable renewable electricity.

From BBC ● Nov. 6, 2020

Argon, neon, krypton, and xenon come from the fractional distillation of liquid air.

From Textbooks ● Feb. 14, 2019

The first, the layer actually in contact with the liquid air, was to be made out of a highly conductive copper alloy.

From Scientific American ● Apr. 28, 2012

Watch-springs might be made out of pewter, bells of tin, and piano wires of solder, for these metals are made stronger by the extreme cold of liquid air.

From The Story of Great Inventions by Burns, Elmer Ellsworth