Aerostat Definition

ârō-stăt

noun

An aircraft, especially a balloon or dirigible, deriving its lift from the buoyancy of surrounding air rather than from aerodynamic motion.

American Heritage

An airship, balloon, or other aircraft that is lifted and sustained by means of one or more containers filled with a gas lighter than air.

Webster's New World

An aircraft, such as a dirigible or balloon, that derives its lift from buoyancy rather than from wings or rotors.

Wiktionary

A moored balloon flown in a semi-permanent manner, as a border patrol monitoring balloon affixed at 18,000 feet (~6km).

Wiktionary

Other Word Forms of Aerostat

Singular:

aerostat

Plural:

aerostats

French aérostat Greek āero- aero- aero– Greek statos standing stato–

From American Heritage Dictionary of the English Language, 5th Edition

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