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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Time Traveler

The first known use of lighter-than-air was in 1903

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Cite this Entry

“Lighter-than-air.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lighter-than-air. Accessed 23 Sep. 2020.

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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

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