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

They freeze up whole engine wheels with liquid air, then put on the tires, which are not frozen.

From Project Gutenberg

All you have to do is to soak charcoal in liquid air, attach a fuse to it, scratch a match then run.

From Project Gutenberg

Before him was the bear, behind, a narrow passage and at his feet that strange explosive, liquid air and carbon.

From Project Gutenberg

Tipping the jug on one side he saturated the charcoal in the paper bag with liquid air.

From Project Gutenberg

Donald made up small parcels of liquid air and carbon while Johnny drilled holes in the coal.

From Project Gutenberg