ice giant

== English == === Noun === ice giant (plural ice giants) (Norse mythology) A frost giant. (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 ==== Hypernyms ==== giant planet ==== Hyponyms ==== Neptune Uranus super-Neptune sub-Neptune ==== Coordinate terms ==== terrestrial planet carbide planet / carbon planet silicate planet / silicon planet major planet ==== Related terms ==== gas giant ==== Translations ==== ==== See also ==== minor planet dwarf planet