luminosity plural
lu·mi·nos·i·ty
The plural form of luminosity is luminosities
L lDefinitions
- noun plural luminosity luminance (def 2). 1
- noun plural luminosity the quality of being intellectually brilliant, enlightened, inspired, etc.: The luminosity of his poetry is unequaled. 1
- noun plural luminosity something luminous. 1
- noun plural luminosity Astronomy. the brightness of a star in comparison with that of the sun: the luminosity of Sirius expressed as 23 indicates an intrinsic brightness 23 times as great as that of the sun. 1
- noun plural luminosity Also called luminosity factor. Optics. 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. 1