from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of, relating to, or being an aircraft heavier than the air it displaces.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Weighing more than the volume of air which it displaces.
- adj. Of, pertaining to, or using an aircraft which weighs more than the volume of air it displaces.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. relating to an aircraft heavier than the air it displaces
Sorry, no etymologies found.
It wasn't long until the military opened bids for what were then called "heavier-than-air" flying machines.
It inaugurated the worldâ€ ™ s first transatlantic heavier-than-air service, and carried passengers and cargo around the globe in the 1930â€ ™ s and 1940â€ ™ s.
It is helpful to go back to the work of the Wright brothers, whose invention of a true heavier-than-air flying machine was one kind of precursor to the Mars Landers.
But the world wanted more: the successful flight of a heavier-than-air craft between the U.S. and Europe.
Sometimes it is a "stupid stoner" who doesn't understand evaporated butane is a heavier-than-air gas that pools on the floor near pilot lights, switches, and electric heaters.
ÂSometimes it is a "stupid stoner" who doesn't understand evaporated butane is a heavier-than-air gas that pools on the floor near pilot lights, switches, and electric heaters.
That way lies scientistic dismissals of heavier-than-air flight because this would clearly be in contravention of the law of gravity.
Going back another 50 years, according to Wikipedia at least, not much of note seems to have happened in 1909, apart from the first flight across the English channel by heavier-than-air craft.
In 1864, Victor Hugo wrote to the balloonist and pioneer aerial photographer Félix Nadar in praise of Nadar's experiments with heavier-than-air flight.
Yes, we can build heavier-than-air flying machines, land on the Moon, defeat fascism and communism.