noun
- Small air-filled compartments or bags inside an airship or balloon that help maintain pressure and stability.
Usage: plural of ballonet; aeronautical/technical term; used in airship design
Examples
- The airship's ballonets automatically inflate and deflate to maintain internal pressure.
- Modern blimps use ballonets to keep their shape stable during flight.
- The pilot monitored the ballonets to ensure proper buoyancy control.
- Ballonets help prevent the envelope from collapsing when the airship changes altitude.