- heavier-than-air aircraft
- Aircraft supported in the atmosphere by lift derived from aerodynamic forces.
Aviation dictionary. 2014.
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heavier-than-air — adjective a) Weighing more than the volume of air which it displaces. And folks laughed at Santos Dumont, at the Wrights, and at all the other fellows, who said they could take a heavier than air machine, and skim above the clouds like a bird. b) … Wiktionary
heavier-than-air — adjective relating to an aircraft heavier than the air it displaces • Similar to: ↑heavy • Topics: ↑aircraft … Useful english dictionary
heavier-than-air — heav′i•er than air′ adj. aer. (of an aircraft) weighing more than the air it displaces, hence having to obtain lift by aerodynamic means • Etymology: 1900–05 … From formal English to slang
heavier-than-air — /hev ee euhr dheuhn air /, adj. (of an aircraft) weighing more than the air that it displaces, hence having to obtain lift by aerodynamic means. [1900 05] * * * … Universalium
heavier-than-air — /ˌhɛviə ðən ˈɛə/ (say .heveeuh dhuhn air) adjective 1. of greater specific gravity than the air, as aeroplanes. 2. of or relating to such aircraft … Australian English dictionary
heavier-than-air craft — noun a non buoyant aircraft that requires a source of power to hold it aloft and to propel it • Hypernyms: ↑aircraft • Hyponyms: ↑airplane, ↑aeroplane, ↑plane, ↑autogiro, ↑autogyro, ↑gyroplane, ↑ … Useful english dictionary
heavier-than-air — adjective (of an aircraft) weighing more than the air it displaces … English new terms dictionary
Lighter than air — Some gases are buoyant in air because they have densities lower than that of air (about 1.2 kg/m3, 1.2 g/l). Lighter than air gases are used to fill craft called aerostats, which include free balloons, moored balloons, and airships, to make the… … Wikipedia
Aircraft — An aircraft is a vehicle which is able to fly through the Earth s atmosphere or through any other atmosphere. Rocket vehicles are not aircraft if they are not supported by the surrounding air. All the human activity which surrounds aircraft is… … Wikipedia
Aircraft flight mechanics — In aeronautics, aircraft flight mechanics is the study of the forces that act on an aircraft in flight, and the way the aircraft responds to those forces. [Clancy, L.J. Aerodynamics . Section 14.1] Aircraft flight mechanics are relevant to… … Wikipedia