Definition of gas giant in English:

gas giant

Line breaks: gas giant

noun

Astronomy
  • A large planet of relatively low density consisting predominantly of hydrogen and helium, such as Jupiter, Saturn, Uranus, or Neptune.
    More example sentences
    • There are also many asteroids known in the region inhabited by the gas giant planets Jupiter, Saturn, Uranus and Neptune.
    • Beyond the asteroid belt lie the orbits of the four gas giant planets: Jupiter, Saturn, Uranus, and Neptune.
    • Many of these exoplanets are large planets that resemble the gas giants of our solar system: Jupiter, Saturn, Uranus, and Neptune.

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Word of the day astrogation
Pronunciation: ˌastrəˈgāSHən
noun
(in science fiction) navigation in outer space