'Liquid air' definitions:
Definition of 'liquid air'
(from WordNet)
noun
Air in a liquid state
Definition of 'Liquid air'
From: GCIDE
- Liquid air \Liq"uid air\ (Physics) A transparent limpid liquid, slightly blue in color, consisting of a mixture of liquefied oxygen and nitrogen. It is prepared by subjecting air to great pressure and then cooling it by its own expansion to a temperature below the boiling point of its constituents (N: -194[deg] C; O: -183[deg] C.). [Webster 1913 Suppl.]