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Rockoon
//ɹɒˈkuːn// noun
Definitions
Noun
- 1 A rocket, powered by solid fuel, that is not lit while on the ground but first carried into the upper atmosphere by a gas-filled balloon, then separated from the balloon and automatically ignited to allow it to achieve a higher altitude.
Etymology
Blend of rocket + balloon.
See also for "rockoon"
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Unscramble this word: rockoon