ballonet
noun
bal·lo·net ˌba-lə-ˈnā 
: a compartment of variable volume within the interior of a balloon or airship used to control ascent and descent
Word History
Etymology
French ballonnet, diminutive of ballon
First Known Use
1872, in the meaning defined above
- overfocusses
- overfocussing
- overfold
- overfolded
- overfolding
- overfolds
- overfond
- overfondness
- overfreight
- overfulfill
- overfulfilled
- overfulfilling
- overfulfillment
- overfulfillments
- overfulfills
- overfull
- overfull employment
- overfullness
- overfund
- overfunded
- overfunding
- overfunds
- overfussy
- overgaiter
- overgalled