Langimage
English

lighter-than-air

|light-er-than-air|

B2

🇺🇸

/ˈlaɪtər ðən ɛr/

🇬🇧

/ˈlaɪtə ðən eə/

buoyant in air

Etymology
Etymology Information

'lighter-than-air' originates from the concept of buoyancy, where 'lighter' refers to having less weight than the air it displaces.

Historical Evolution

The term 'lighter-than-air' has been used since the early 20th century to describe aircraft that float in the air due to buoyancy.

Meaning Changes

Initially, it meant 'having less weight than air,' and this meaning has remained consistent in modern usage.

Meanings by Part of Speech

Adjective 1

referring to a type of aircraft that is buoyant in air, such as balloons or airships.

The Zeppelin is a lighter-than-air craft.

Synonyms

Antonyms

Last updated: 2025/06/08 08:38