aerostat
Noun
Meaning
A balloon.
A balloonist; an aeronaut.
Source: Webster's dictionarySynonyms
plane
aerodrome
balloon
airship
aeroplane
dirigible
aircraft
airplane
spaceship
blimp
zeppelin
aeronaut
gasbag
lighter-than-air
aerostatic
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Antonyms
Examples
A balloon was originally any aerostat, while the term airship was used for large, powered aircraft designs – usually fixed-wing.
Airships are a type of aerostat.
Nowadays a "balloon" is an unpowered aerostat and an "airship" is a powered one.