follow Dictionary.com

Is irregardless a word?

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. 2015.
Cite This Source
Examples from the Web for visible spectrum
Historical Examples
  • This is actually the case when the waves of the visible spectrum pass through a transparent gas or vapour.

  • I'll cut out the visible spectrum before the flash, and convert and reconvert the infra-red.

    Skylark Three Edward Elmer Smith
  • Here he found the temperature actually higher than in any part of the visible spectrum.

    Six Lectures on Light John Tyndall
  • The energy of those wave-lengths near the ends of the visible spectrum will be inefficient in producing light.

    Artificial Light M. Luckiesh
  • Of all the colours of the visible spectrum the red possesses the highest heating power.

  • 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
  • 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)
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.
Cite This Source

Word of the Day

Difficulty index for visible spectrum

Few English speakers likely know this word

Word Value for visible

12
15
Scrabble Words With Friends

Nearby words for visible spectrum