Akademik

Jovian planet
noun
any of the four outermost planets in the solar system; much larger than Earth and gaseous in nature (like Jupiter)
Syn: ↑gas giant
Hypernyms: ↑planet, ↑major planet
Instance Hyponyms: ↑Jupiter, ↑Neptune, ↑Saturn, ↑Uranus

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Astron.
any of the four large outer planets: Jupiter, Saturn, Uranus, and Neptune.

Useful english dictionary. 2012.