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visible radiation

electromagnetic radiation that causes the sensation of sight; light. It has wavelengths between about 380 and 780 nanometres
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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Historical Examples
  • The visible radiation is, as it were, built upon the invisible as its necessary foundation.

  • Dissolved in a proper vehicle, iodine cuts the visible radiation sharply off, but allows the invisible free transmission.

  • It carried a component of visible radiation but it wasn't light.

    Planet of the Gods Robert Moore Williams

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