1 lighter-than-air | Definition of lighter-than-air
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lighter-than-air

adjective
ligh·​ter-than-air

Definition of lighter-than-air

: of less weight than the air displaced

First Known Use of lighter-than-air

1903, in the meaning defined above

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More Definitions for lighter-than-air

lighter-than-air

adjective

English Language Learners Definition of lighter-than-air

: able to float in the air

See the full definition for lighter-than-air in the English Language Learners Dictionary

More from Merriam-Webster on lighter-than-air

Rhyming Dictionary: Words that rhyme with lighter-than-air

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