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heavier-than-air

 

Definitions from WordNet

Adjective heavier-than-air has 1 sense
  1. heavier-than-air - relating to an aircraft heavier than the air it displaces
    Antonym:
    light (indirect, via heavy)

Definitions from the Web

heavier-than-air

Part of Speech: Adjective

Sense 1: Referring to an aircraft that is supported by the air as a result of its own weight.

Example Sentence: The Wright brothers successfully developed the world's first heavier-than-air flying machine.

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Sense 2: Referring to an object or substance that is denser and more substantial than air.

Example Sentence: The hot air balloon could not fly in such heavy winds as it was not heavier-than-air.

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Sense 3: Relating to a concept or theory that deals with aircraft supported by the air due to their own weight.

Example Sentence: The principle of flight is based on understanding the dynamics of heavier-than-air machines.

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