Luminosity is defined as the condition of being bright or having light.noun
An example of something with luminosity is the sun.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
- the quality or condition of being luminous
- pl. luminosities something luminous
Origin: ML luminositas
Used by arrangement with John Wiley & Sons, Inc.
noun pl. lu·mi·nos·i·ties
- The condition or quality of being luminous.
- Something luminous.
- The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength. Also called luminosity factor.