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sunbow

[suhn-boh]
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noun
  1. a bow or arc of prismatic colors like a rainbow, appearing in the spray of cataracts, waterfalls, fountains, etc.
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Origin of sunbow

First recorded in 1810–20; sun + bow2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sunbow

Historical Examples

  • Scarcely a moment had elapsed, and she had vanished like a sunbow.

    Harper's New Monthly Magazine, Vol. II, No. X., March 1851

    Various

  • The sunbow spans your towers, even while the foe Hurls his fell bolt, and rains his iron blow.


British Dictionary definitions for sunbow

sunbow

noun
  1. a bow of prismatic colours similar to a rainbow, produced when sunlight shines through spray
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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

sunbow in Science

sunbow

[sŭnbō′]
  1. A prismatic arc of colors, similar to a rainbow, resulting from the refraction of sunlight through a mist or spray of water.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.