ice giant
Noun

ice giant (plural ice giants)

  1. (Norse mythology) An instance of a type of giants associated with coldness and iciness.
  2. (astronomy) A giant planet composed mostly of astronomical ices (condensed forms of volatile compounds) including water, methane, oxygen, carbon, nitrogen, and sulfur, and smaller than a gas giant. (e.g. Neptune and Uranus)
Synonyms
  • ice giant planet
  • Neptunian planet
Related terms


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