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ice giant
[ ahys jahy-uhnt ]
noun
, Astronomy.
- a giant planet composed mostly of elements heavier than hydrogen and helium: the two ice giants in our solar system are Uranus and Neptune, previously classified as gas giants, but now known to be made primarily of oxygen, carbon, nitrogen, and sulfur.
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Word History and Origins
Origin of ice giant1
First recorded in 1975–80
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Example Sentences
It lies up there on the crest of the mountain like a mighty ice-giant peering down at us through the clefts.
From Project Gutenberg
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