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luminous flux

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luminous flux

 
Use luminous flux in a Sentence
–noun Optics.
the rate of transmission of luminous energy: expressed in lumens.
Origin:
1925–30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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luminous flux  
n.  The rate of flow of light per unit of time, especially the flux of visible light expressed in lumens.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: luminous flux
Function: noun
: radiant flux in the visible-wavelength range usually expressed in lumens instead of watts called also light flux
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Science Dictionary
luminous flux   (l'mə-nəs)  Pronunciation Key 
A measure of the radiant power of light emitted from a source without regard for the direction in which it is emitted. It is measured in lumens. See also luminous intensity.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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