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luminous intensity

noun, Optics.
the luminous flux in lumens emitted per unit solid angle by a light source, measured in candles. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for luminous intensity
  • Schematic of a setup for using an absolutely calibrated photometer to perform luminous intensity and illuminance measurements.
  • The luminous intensity shall be controlled automatically by a photocell utilizing pulse width modulation.
  • The effect of position lamps can be increased by optimizing their color, luminous intensity and distance from the headlamp.
  • Our additional tests of color quality, luminous intensity, luminance and glare showed similar degrees of variation.
British Dictionary definitions for luminous intensity

luminous intensity

a measure of the amount of light that a point source radiates in a given direction. It is expressed by the luminous flux leaving the source in that direction per unit of solid angle Iv
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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luminous intensity in Science
luminous intensity  
The luminous flux per unit solid angle (per steradian), as measured in a given direction relative to a light source. Its unit is the candela. See also luminance.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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