Definition of ballonet in English:


Syllabification: bal·lo·net
Pronunciation: /ˌbaləˈnā
(also ballonnet)


The compartment in a balloon or airship into which air or another gas can be forced in order to maintain the craft’s shape as buoyant gas is released.
More example sentences
  • The helicopter is fitted with ballonet flotation devices for emergency landing on water.
  • As a rule, such airships have a soft structure of a ballonet and consequently a considerable drag.
  • This triggers an automatic mechanism that pumps air into the ballonet compartment to compensate.

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Word of the day apposite
Pronunciation: ˈapəzɪt
apt in the circumstances or relation to something