What does heavier-than-air mean?
Heavier-than-air means (of an aircraft) Weighing more than the volume of air which it displaces..
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Pronunciation varies by accent · adjective
(of an aircraft) 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.
Died. John Thomas Moore, 65, who, on a windy day in December 1903, lent a hand putting a flying machine on a runway, was the last surviving witness to the Wright brothers' historic first heavier-than-air flight at Kitty Hawk.
Use heavier-than-air when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heavier-than-air means (of an aircraft) Weighing more than the volume of air which it displaces..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
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.
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