Ballonet Definition
 bălə-nā 
    noun
  
 One of several small auxiliary gasbags placed inside a balloon or a nonrigid airship that can be inflated or deflated during flight to control and maintain shape and buoyancy.
 American Heritage 
Any of several auxiliary air containers within a balloon or airship, that can be inflated or deflated to compensate for changing gas pressure during flight: used to control altitude and maintain proper structure.
 Webster's New World 
Other Word Forms of Ballonet
Noun
Singular:
 ballonetPlural:
 ballonetsFind Similar Words
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