Definition of heavier-than-air Heavier-than-air

heav•i•er•than•air

We found 3 definitions of heavier-than-air from 2 different sources.

What does heavier-than-air mean?

Adjective
heavier-than-air - relating to an aircraft heavier than the air it displaces
		heavy darkened by clouds; "a heavy sky"

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heavier-than-air (Adjective)
Weighing more than the volume of air which it displaces.
heavier-than-air (Adjective)
Of, pertaining to, or using an aircraft which weighs more than the volume of air it displaces.

heavier-than-air in sign language