liquid air

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.

liquid air

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

Word History and Origins

Origin of liquid air¹

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."

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

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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.

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

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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.

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