(idiomatic) A desire, idea, or plan that is unlikely to ever be realized; a visionary project or scheme; a daydream, an idle fancy, a near impossibility.

Free of moisture to the degree possible by exposure to air (moisture contents of the object and air are in equilibrium); "naturally" dried.

To dry by exposure to the air.

a jet engine where a gas generator drives the turbine that drives the inlet compressor

plural of air pump

plural of airing cupboard

plural of air space

plural of air bag

plural of air base

plural of air ball