Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A device used for high-altitude sounding, composed of a small, solid-propellant rocket that is launched from a balloon.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun 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.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[rock(et) + (ball)oon.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Blend of rocket and balloon

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Examples

Comments

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  • A rocket fired from a balloon, or a balloon carrying a rocket.

    July 9, 2008