rockoon

English dictionary entry

Meanings

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.

Pronunciation

/ɹɒˈkuːn/ /ɹɑˈkun/

Word forms

rockoon rockoons

Etymology

Blend of rocket + balloon.

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