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white light

light perceived by the eye as having the same color as sunlight at noon. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for white light
Contemporary Examples
Historical Examples
  • Black substances reflect a small quantity of white light, which receives the complementary of the colour contiguous to the black.

    Field's Chromatography George Field
  • It was as if there were a white light inside his face, and it was ghastly.

    Man Overboard! F(rancis) Marion Crawford
  • However, if the surroundings are now made bright with white light, the star appears quite saturated.

    Visual Illusions Matthew Luckiesh
  • He was waiting for me at the bottom, with his white light on.

    Mugby Junction Charles Dickens
  • Let a rectangular patch of white light having about the same dimensions as the rectangular spectrum be now thrown upon the screen.

  • Always this man kept the white light in his bosom after that.

  • They had hung a red light on the forestay, and a white light over her port quarter, and lights flitted about her gangway.

British Dictionary definitions for white light

white light

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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