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luminosity

   Also found in: Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
lu·mi·nos·i·ty  (lm-ns-t)
n. pl. lu·mi·nos·i·ties
1. The condition or quality of being luminous.
2. Something luminous.
3. The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength. Also called luminosity factor.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.luminosityluminosity - the quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun"
brightness level, luminance, luminousness, brightness, light
physical property - any property used to characterize matter and energy and their interactions
illuminance, illumination - the luminous flux incident on a unit area
incandescence - light from heat
glow, luminescence - light from nonthermal sources
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I did not know then that a reddish luminosity, at least, is not uncommon in human eyes.
The Island of Doctor Moreau by Wells, H.G. View in context
There, on those vast plains, they were to describe enormous geometric figures, drawn in characters of reflecting luminosity, among which was the proposition regarding the `square of the hypothenuse,' commonly called the
From The Earth To The Moon by Verne, Jules View in context
Almost was she pretty now, with the unique luminosity in her eyes that comes to a girl with her first suitor and a kitten with its first mouse.
The Four Million by Henry, O. View in context
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