luminous efficiency
noun 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 efficiency
luminophore,
luminosity,
luminosity class,
luminous,
luminous efficacy,
luminous efficiency,
luminous emittance,
luminous energy,
luminous exitance,
luminous flux,
luminous flux density
British Dictionary definitions for luminous efficiency
luminous efficiency
noun
the 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 flux
Symbol: V