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planet

noun [C]
 
 
/ˈplæn.ɪt/

Definition

B1 an extremely large, round mass of rock and metal, such as Earth, or of gas, such as Jupiter, that moves in a circular path around the sun or another star: the planet Earth/Venus Might there be intelligent life on other planets?Astronomy - general words
(Definition of planet noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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