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Definition of gas giant noun from the Oxford Advanced Learner's Dictionary

gas giant

noun
 
/ˌɡæs ˈdʒaɪənt/
 
/ˌɡæs ˈdʒaɪənt/
(astronomy)
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  1. a large planet made mostly of the gases hydrogen and helium, for example Jupiter or Saturn
See gas giant in the Oxford Advanced American Dictionary
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Nearby words

remarkably
adverb
 
 
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