1 aerostat | Definition of aerostat
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aerostat

noun
aero·​stat | \ -ËŒstat 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

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aerostat.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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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Rhyming Dictionary: Words that rhyme with aerostat

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