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rockoon

[ rok-oon, ro-koon ]

noun

  1. a rocket launched from a balloon at a high altitude.

rockoon

/ rɒˈkuːn /

noun

  1. a rocket carrying scientific equipment for studying the upper atmosphere, fired from a balloon at high altitude
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of rockoon1

1950–55; rock(et 1 ) + (ball)oon
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Word History and Origins

Origin of rockoon1

C20: from rocket 1+ balloon
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Example Sentences

I also understand that a rockoon is a combination of a rocket and a balloon.

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