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lighter-than-air
[ lahy-ter-thuhn-air ]
adjective
- (of an aircraft) weighing less than the air it displaces, hence obtaining lift from aerostatic buoyancy.
- of or relating to lighter-than-air craft.
lighter than air
adjective
- having a lower density than that of air
- of or relating to an aircraft, such as a balloon or airship, that depends on buoyancy for support in the air
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Word History and Origins
Origin of lighter-than-air1
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Example Sentences
"The Wright brothers invented the lighter-than-air ship early in the twentieth century," he said.
This defect was overcome by the use of lighter-than-air gas.
So are suction, rusting of metals, thunder and lightning and lighter-than-air flying machines.
His progress had been theirs in the new science of lighter-than-air engineering.
The development in the near future of long flights over the ocean would seem, therefore, to be confined to lighter-than-air craft.
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