| 单词 | luminous intensity |
| 释义 | luminous intensitynoun Optics.the luminous flux in lumens emitted per unit solid angle by a light source, measured in candles. Words nearby luminous intensityluminous emittance, luminous energy, luminous exitance, luminous flux, luminous flux density, luminous intensity, luminous paint, luminous range, lumirhodopsin, lumisterol, lumme Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for luminous intensityluminous intensity nouna 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 angleSymbol: I v 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 Scientific definitions for luminous intensityluminous 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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