luminous efficacy
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noun
the quotient of the luminous flux of a radiation and its corresponding radiant fluxSymbol: K
the quotient of the luminous flux emitted by a source of radiation and the power it consumes. It is measured in lumens per wattSymbol: η v, Φ v
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Words nearby luminous efficacy
luminism, luminophore, luminosity, luminosity class, luminous, luminous efficacy, luminous efficiency, luminous emittance, luminous energy, luminous exitance, luminous flux
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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