luminous emittance

noun Optics.

luminous flux emitted per unit area.

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Nearby words

luminosity, luminosity class, luminous, luminous efficacy, luminous efficiency, luminous emittance, luminous energy, luminous exitance, luminous flux, luminous flux density, luminous intensity

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019