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Meaning of vacuum airship | Babel Free

Noun CEFR B2

Definitions

A hypothetical airship that is evacuated rather than filled with a lighter-than-air gas such as hydrogen or helium.

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

vacuum aspiration vacuum bag vacuum balloon vacuum bed vacuum bomb vacuum bottle