neptune

Noun
  1. (Roman mythology) god of the sea;
    Counterpart of Greek Poseidon (synset 109592459)
    referred to in: roman mythology - the mythology of the ancient Romans
    is an instance of: roman deity - a deity worshipped by the ancient Romans
  2. A giant planet with a ring of ice particles;
    The 8th planet from the sun is the most remote of the gas giants (synset 109391596)
    "the existence of Neptune was predicted from perturbations in the orbit of Uranus and it was then identified in 1846"
    is an instance of:
    • gas giant, jovian planet - any of the four outermost planets in the solar system; much larger than Earth and gaseous in nature (like Jupiter)
    • outer planet - (astronomy) a major planet whose orbit is outside the asteroid belt (Jupiter, Saturn, Uranus, Neptune, Pluto)
    • superior planet - any of the planets whose orbit lies outside the earth's orbit
    belongs to: solar system - the sun with the celestial bodies that revolve around it in its gravitational field

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