Definition of NEPTUNE

noun : NEPTUNE

Source: WordNet 3.1

  • 1. (

    ) (Roman mythology) god of the sea; counterpart of Greek Poseidon ;

  • 2. (

    ) a giant planet with a ring of ice particles; the 8th planet from the sun is the most remote of the gas giants; "the existence of Neptune was predicted from perturbations in the orbit of Uranus and it was then identified in 1846" ;

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