Ballonet
//ˈbalənɛt// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Any of several small balloons, inside a dirigible, that can be inflated or deflated to control buoyancy during flight.
"An observation balloon, sausage-shaped and thickened at one end by small subsidiary ballonets, lifted itself, almost as though it were being hoisted by a series of pulls, out of one of the hollows beneath them […]."
Example
More examples"An observation balloon, sausage-shaped and thickened at one end by small subsidiary ballonets, lifted itself, almost as though it were being hoisted by a series of pulls, out of one of the hollows beneath them […]."
Etymology
Borrowed from French ballonnet.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.