heavier-than-air


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Related to heavier-than-air: Heavier-than-air flight

heav·i·er-than-air

(hĕv′ē-ər-thən-âr′)
adj.
Of, relating to, or being an aircraft heavier than the air it displaces.

heavier-than-air

adj
1. (General Physics) having a density greater than that of air
2. (Aeronautics) of or relating to an aircraft that does not depend on buoyancy for support but gains lift from aerodynamic forces

heav′i•er-than-air′



adj.
(of an aircraft) weighing more than the air it displaces, hence having to obtain lift by aerodynamic means.
[1900–05]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.heavier-than-air - relating to an aircraft heavier than the air it displaces
aircraft - a vehicle that can fly
heavy - of comparatively great physical weight or density; "a heavy load"; "lead is a heavy metal"; "heavy mahogany furniture"
References in periodicals archive ?
According to Jones, MacCready became internationally known in 1977 as the "father of human-powered flight" when his Gossamer Condor made the first sustained, controlled flight by a heavier-than-air craft powered solely by its pilot's muscles.
It is an apt commemoration of the Wright Brothers' remarkable launch of the first heavier-than-air, self-propelled flying machine.
Heavier-than-air flight presented special problems: the two most significant being the need for a powerful and reliable, yet very light, motor; and a method for maintaining directional control.
Postal Service will issue a 37-cent First Flight commemorative postage stamp to mark the 100th anniversary of the first controlled, powered, sustained flight in a heavier-than-air flying machine.
December 17, 2003: 12 SECONDS THAT CHANGED THE WORLD The celebration will culminate with the EAA's re-creation of the single- most significant moment of the last century -- the Wright brother's first heavier-than-air powered flight.
The stamp marks the 100th anniversary of the first controlled, powered, sustained flight in a heavier-than-air flying machine.
Although the craft was only airborne for an estimated 12 seconds and traveled only 120 feet, the Wright brothers had achieved the first controlled, powered, sustained flight in a heavier-than-air flying machine.
4] Those aircraft included the mighty Zeppelin, observation balloons, and a small but growing force of heavier-than-air craft--the airplane.
They range from gliders to several of Hiller's own inventions, but the crowning glory is a full-scale replica of the Avitor, billed as the first powered, heavier-than-air craft to actually fly.
ornithopter - a heavier-than-air airplane deriving its chief support and propulsion from flapping wings
Appointed a member of the aeronautical board that conducted the lighter-than-air and heavier-than-air trials at Fort Myer in 1908, Foulois was one of three officers taught to fly the Army's first dirigible.
Wilbur and Orville Wright made the first successful flight of a heavier-than-air, mechanically driven airplane.