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visible spectrum

noun, Physics.
the range of wavelengths of electromagnetic radiation that is normally visible, from 380 to 760 nm. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for visible spectrum
Historical Examples
  • I'll cut out the visible spectrum before the flash, and convert and reconvert the infra-red.

    Skylark Three Edward Elmer Smith
  • The energy of those wave-lengths near the ends of the visible spectrum will be inefficient in producing light.

    Artificial Light M. Luckiesh
  • Its visible spectrum consists chiefly of violet, blue, green, and yellow rays.

    Artificial Light M. Luckiesh
  • The artifices of the modern physicist have extended far in each direction the visible spectrum known to Newton.

  • The red rays vibrate the most slowly and have the longest wave-length of all the rays of the visible spectrum.

    Astronomy for Young Folks Isabel Martin Lewis
  • Of all the colours of the visible spectrum the red possesses the highest heating power.

  • This is actually the case when the waves of the visible spectrum pass through a transparent gas or vapour.

  • Here he found the temperature actually higher than in any part of the visible spectrum.

    Six Lectures on Light John Tyndall
  • The seven colours seen in the spectrum are called the visible spectrum.

    Aether and Gravitation

    William George Hooper
  • A facet of his panel had flashed a color at the lowest end of his visible spectrum.

    The Secret of the Ninth Planet Donald Allen Wollheim
visible spectrum in Medicine

visible spectrum vis·i·ble spectrum (vĭz'ə-bəl)
The part of the electromagnetic spectrum visible to the human eye, extending from extreme red, 760.6 nanometers, to extreme violet, 393.4 nanometers.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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