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aerostat

noun
aero·​stat | \ -ˌstat How to pronounce aerostat (audio) \

Definition of aerostat

: a lighter-than-air aircraft (such as a balloon or blimp) — compare aerodyne

Examples of aerostat in a Sentence

Recent Examples on the Web

 The aerostat is part of the JLENS surveillance system, designed detect low-flying Russian cruise missiles fired from submarines against the Eastern Seaboard. — Kyle Mizokami, Popular Mechanics, "Huge Army Blimp on the Loose Has Been Safely Brought Down," 28 Oct. 2015 Predators and aerostats, for instance, cannot fly in thunderstorms or high winds. — Ron Nixon, New York Times, "On the Mexican Border, a Case for Technology Over Concrete," 20 June 2017

First Known Use of aerostat

1784, in the meaning defined above

History and Etymology for aerostat

borrowed from French aérostat, probably back-formation from aérostatique "of aerostatics," with -stat (after héliostat heliostat) taken as the Greek agentive element -statēs "one who causes to stand" — more at -stat

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