English Explanatory Dictionary

ice giant

English dictionary entry

Meanings

noun
  1. A frost giant.
  2. 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)

Word forms

ice giant ice giants

Synonyms

ice giant planet Neptunian planet

Related words

gas giant minor planet dwarf planet
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