Definition of gas giant in English:

gas giant

noun

Astronomy
  • A large planet of relatively low density consisting predominantly of hydrogen and helium, such as Jupiter, Saturn, Uranus, or 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.’
    • ‘There are also many asteroids known in the region inhabited by the gas giant planets Jupiter, Saturn, Uranus and Neptune.’
    • ‘Since then, astronomers have determined that all of the gas giants - Jupiter, Saturn, Uranus and Neptune - have atmospheres containing significant amounts of methane.’
    • ‘It is not a rocky planet like Earth, Mars, Mercury or Venus, or a gas giant like Jupiter, Saturn, Uranus or Neptune.’

Pronunciation:

gas giant

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