Jovian planet

noun Astronomy.
any of the four large outer planets: Jupiter, Saturn, Uranus, and Neptune. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
Jovian planet   (jō'vē-ən)  Pronunciation Key 
See gas giant.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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