Jovian planet
noun Astronomy.
any of the four large outer planets: Jupiter, Saturn, Uranus, and Neptune.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Jovian planet
[jō′vē-ən]
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.