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visible spectrum

noun, Physics.
1.
the range of wavelengths of electromagnetic radiation that is normally visible, from 380 to 760 nm.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for visible spectrum
  • While half of the sun's power lies in the visible spectrum, the other half lies in the infrared spectrum.
  • It would be better, of course, if chlorophyll could absorb light across the whole of the visible spectrum.
  • Multispectral imaging works by scanning objects at a series of specific frequencies both within and beyond the visible spectrum.
  • It radiates hot blue light in the visible spectrum and gives the cloud a bluish tinge.
  • But in some places, it's so frigid that light can't radiate in the visible spectrum, which makes celestial bodies invisible.
  • The problem with the phosphors is that they don't emit evenly across the visible spectrum.
  • Because they fall outside the visible spectrum, the human eye cannot perceive them.
  • Plants that relied at times mostly on the dim red dwarf might need light from all across the visible spectrum.
  • What is more, the spot reflects more red light than blue light, meaning it has a reddish tint in the visible spectrum.
  • The infrared light detected could well be that from heavier elements that have been redshifted off the visible spectrum.
visible spectrum in Medicine

visible spectrum vis·i·ble spectrum (vĭz'ə-bəl)
n.
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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