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Red Spot

noun, Astronomy
a large, usually reddish gaseous vortex on the surface of Jupiter, about 14,000 by 30,000 km, that drifts about slowly as the planet rotates and has been observed for several hundred years.
Also called Great Red Spot.
Origin of Red Spot
1875-80 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for red-spot
Historical Examples
  • And red-spot was superior in many ways to the ordinary woman of the cave time.

    The Story of Ab Stanley Waterloo
  • It was a fine cave, there was no doubt about that, and red-spot was a notable housekeeper.

    The Story of Ab Stanley Waterloo
  • His life with red-spot was the sequence of what might be termed a fortunate marriage.

    The Story of Ab Stanley Waterloo
  • I waited until dusk began finally to settle down and crept gently toward a red-spot.

    Jungle Peace William Beebe
  • It was soon after this great event of the first fish-catching that red-spot, Ab's mother, died.

    The Story of Ab Stanley Waterloo
British Dictionary definitions for red-spot

Red Spot

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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