Standard Lemma guide

rockoon

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /ɹɒˈkuːn/
  • General-American: /ɹɑˈkun/
  • rhymes with -uːn

1

noun

Meaning 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.

Definition source: English Wiktionary via Wiktextract

Topics: aeronautics, aerospace, astronautics, aviation, business, engineering, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Blend of rocket + balloon.