rockoon

rock·oon

[rok-oon, ro-koon]
noun
a rocket launched from a balloon at a high altitude.

Origin:
1950–55; rock(et1) + (ball)oon

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World English Dictionary
rockoon (rɒˈkuːn) [Click for IPA pronunciation guide]
 
n
a rocket carrying scientific equipment for studying the upper atmosphere, fired from a balloon at high altitude
 
[C20: from rocket1 + balloon]

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Rockoon is always a great word to know.
So is slumgullion. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
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