Uranus
Uranus definition
Ura·nus (yo̵or′ə nəs, yo̵o rā′-)
noun
- Gr. Myth. a god who is the personification of the heavens, the son and husband of Gaea (Earth) and father of the Titans, Furies, and Cyclopes: he is overthrown by his son Cronus (Saturn)
Etymology: ModL
the third largest planet of the solar system and the seventh in distance from the sun: it has a system of thin rings around the equator: diameter, c. 51,120 km (c. 31,770 mi); period of revolution, c. 84.01 earth years; period of rotation (retrograde), c. 17.24 hours around an axis tilted 98° to its orbital plane; 27 satellites; symbol, ♅
Etymology: LL < Gr Ouranos, lit., heaven
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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