| 单词 | luminous efficiency |
| 释义 | luminous efficiencynoun Optics.the perceived brightness of light as a ratio of the total luminous flux to total radiant flux of the source; a measure of brightness obtained by dividing the source's luminous flux by the consumption of its energy. Words nearby luminous efficiencyluminophore, luminosity, luminosity class, luminous, luminous efficacy, luminous efficiency, luminous emittance, luminous energy, luminous exitance, luminous flux, luminous flux density Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for luminous efficiencyluminous efficiency nounthe efficiency of polychromatic radiation in producing a visual sensation. It is the radiant flux weighed according to the spectral luminous efficiencies of its constituent wavelengths divided by the corresponding radiant fluxSymbol: 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 |
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