Luminous-flux meaning

lo͝omə-nəs
The flow of light per unit of time, especially the flux of visible light expressed in lumens.
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The flow of light measured in lumens.
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A measure of the radiant power of light emitted from a source without regard for the direction in which it is emitted. It is measured in lumens.
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The energy field generated by light. See lumen.
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Radiant flux evaluated with respect to its luminous (brightness) efficiency. See also flux, luminance, and radiant flux.
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In photometry, the measure of the power of light as perceived by the human eye, in proportion to the power at each wavelength.
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