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1. (n.) luminosity
the quality of being intellectually brilliant, enlightened, inspired, etc.
2. luminosity
something luminous.
3. luminosity
the brightness of a star as compared with that of the sun.
4. luminosity
Also called luminosity factor. the brightness of a light source of a certain wavelength as it appears to the eye, measured as the ratio of luminous flux to radiant flux at that wavelength.
Etymology: (1625–35)
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| Definition of 'luminosity' |
Princeton's WordNet |
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1. (noun) luminosity, brightness, brightness level, luminance, luminousness, light
the quality of being luminous; emitting or reflecting light
"its luminosity is measured relative to that of our sun"
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| Definition of 'luminosity' |
Webster Dictionary |
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1. (noun) luminosity
the quality or state of being luminous; luminousness
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Definitions of luminosity 
