ballonet

American  

[bal-uh-ney] / ˌbæl əˈneɪ /

noun

1. an air or gasbag compartment in a balloon or airship, used to control buoyancy and maintain shape.

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ballonet British  

/ ˌbæləˈnɛt /

noun

1. an air or gas compartment in a balloon or nonrigid airship, used to control buoyancy and shape

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Etymology

Origin of ballonet

From French, dating back to 1900–05; see origin at balloon, -et

Example Sentences

This class rise with the forward ballonet empty, and inclined up by the bow.

From Jane's All the World's Aircraft 1913 by Various

Special features is a "belly" of Para rubber in lieu of a ballonet.

From Jane's All the World's Aircraft 1913 by Various

This attachment serves the purpose of a ballonet.

From Aeroplanes and Dirigibles of War by Talbot, Frederick Arthur Ambrose

The wind blowing against the opening, which faces it, charges the ballonet with air.

From Aeroplanes and Dirigibles of War by Talbot, Frederick Arthur Ambrose

One ballonet was contained in the envelope which, at first, had three inflated fins to act as stabilizers.

From British Airships, Past, Present, and Future by Whale, George