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white light

noun
1.
light perceived by the eye as having the same color as sunlight at noon.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for white light
  • The rectangular transom above the door to the street shone a dazzling white light.
  • During a film of an actual nuclear test, a flash of white light and bursts of air fill the room as the floor vibrates.
  • So when white light from the sun enters the ocean, it is mostly the blue that gets returned.
  • When combined with the rest of the blue this forms a cool, white light.
  • They use several red, green and blue lasers and feed the light from these into an optical fibre to produce white light.
  • They use several red, green and blue lasers and feed the light from these into an optical-fibre cable to produce white light.
  • white light, snow lightly falling, and only the sound of the dogs and sled beneath you.
  • white light is how our eyes perceive all the different colors of the rainbow mixed together.
  • The bicycle lamp sent a beam of strong white light deep into the uncanny foliage, heads clustered and hands worked.
  • Newton uses a prism to demonstrate that white light can be broken down into a spectrum of colors.
British Dictionary definitions for white light

white light

noun
1.
light that contains all the wavelengths of visible light at approximately equal intensities, as in sunlight or the light from white-hot solids
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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white light in Science
white light  
  1. Electromagnetic radiation composed of a fairly even distribution of all of the frequencies in the visible range of the spectrum, appearing white to the eye. Light from the Sun is nearly perfect white light, although the Sun does not itself appear white when viewed on Earth due to the scattering of light with frequencies in the blue range by the atmosphere, leaving the Sun with a yellow color.

  2. Light that appears white to the eye, composed of some combination of light with frequencies in the red, blue, and green parts of the spectrum. See also color.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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