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

"We need many different forms of energy storage - and I'm confident liquid air will be one of them."

From BBC

My collaborations with China are mainly in thermal and liquid air energy storage.

From Nature

He says the ideal place for installing what Highview calls its "liquid air energy storage system," or LAES, is the site of an abandoned coal-fired power plant.

From Scientific American

It sounds like magic but it is real - a plan to store cheap night-time wind energy in the form of liquid air.

From BBC

The world’s first full-scale “liquid air” plant is based on a technology that advocates say is cheaper and able to provide power for longer periods than lithium-ion batteries.

From The Guardian