gas giant

== English == === Etymology === From gas +‎ giant, coined by American science-fiction writer James Blish and first attested in 1952 in a rewritten version of his 1941 short story Solar Plexus. === Noun === gas giant (plural gas giants) (astronomy) A large planet composed mostly of gaseous hydrogen and helium, along with methane and ammonia; possibly with a solid core. Synonyms: gas giant planet, Jovian planet ==== Hypernyms ==== giant planet ==== Hyponyms ==== Jupiter Saturn ==== Coordinate terms ==== terrestrial planet / rocky planet silicate planet / silicon planet carbide planet / carbon planet major planet ==== Related terms ==== ice giant ==== Translations ==== ==== See also ==== dwarf planet minor planet Neptune (ice giant) Uranus (ice giant) === References ===