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单词 uranus
释义

WordReference Random House Unabridged Dictionary of American English © 2024
U•ra•nus  (yŏŏrə nəs, yŏŏ rā-),USA pronunciation n. 
  1. Astronomythe planet seventh in order from the sun, having an equatorial diameter of 32,600 miles (56,460 km), a mean distance from the sun of 1,784 million miles (2,871 million km), a period of revolution of 84.07 years, and 15 moons. See table under planet. 
  2. Classics, MythologyAlso, Ouranos. the personification of Heaven and ruler of the world, son and husband of Gaea (Earth) and father of the Titans, who was castrated and dethroned by his youngest son, Cronus, at the instigation of Gaea.

Collins Concise English Dictionary © HarperCollins Publishers::
Uranus /jʊˈreɪnəs; ˈjʊrənəs/ n
  1. the personification of the sky, who, as a god, ruled the universe and fathered the Titans and Cyclopes on his wife and mother Gaea (earth). He was overthrown by his son Cronus
Uranus /jʊˈreɪnəs; ˈjʊrənəs/ n
  1. one of the giant planets, the seventh planet from the sun, sometimes visible to the naked eye. It has about 15 satellites, a ring system, and an axis of rotation almost lying in the plane of the orbit. Mean distance from sun: 2870 million km; period of revolution around sun: 84 years; period of axial rotation: 17.23 hours; diameter and mass: 4 and 14.5 times that of earth respectively
Etymology: 19th Century: from Latin Ūranus, from Greek Ouranos heaven
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