
The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light. A typical human eye will respond to wavelengths from about 390 to 700 nm. In terms of frequency, this corresponds to a band in the...
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http://en.wikipedia.org/wiki/Visible_spectrum

radiation of wavelength 400-750nm.
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http://www.chemistry-dictionary.com/definition/visible+spectrum.php

That part of electromagnetic radiation that is visible to the human eye; it extends from extreme red, 7606 A° (760.6 nm), to extreme violet, 3934 A° (393.4 nm). ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973

(VIS) The visible portion of the spectrum extends between 400nm and 700nm (per the CIE). It covers the wavelengths of light that the human eye can perceive.
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http://www.intl-lighttech.com/support/glossary

Type: Term Definitions: 1. that part of electromagnetic radiation that is visible to the human eye; it extends from extreme red, 7606 Ǻ (760.6 nm), to extreme violet, 3934 Ǻ (393.4 nm).
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http://www.medilexicon.com/medicaldictionary.php?t=83385

The electromagnetic spectrum of visible light; red, orange, yellow, green, blue, indigo, violet.
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http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl

The range of colors that can be perceived by the human eye.
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http://www.sensationalcolor.com/understanding-color/theory/color-term-gloss

[
n] - the distribution of colors produced when light is dispersed by a prism
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http://www.webdictionary.co.uk/definition.php?query=visible%20spectrum
color spectrum noun the distribution of colors produced when light is dispersed by a prism
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https://www.encyclo.co.uk/local/20974
No exact match found.