Definition of luminosity
1a : the quality or state of being luminousb : something luminous
2a : the relative quantity of lightb : relative brightness of something
3 : the relative quantity of radiation emitted by a celestial source (such as a star)
Examples of luminosity in a Sentence
the luminosity of the fireflies made for an enchanting nighttime show
Recent Examples of luminosity from the Web
By carrying out simulations of stellar magnetic fields, the researchers determined that a star's magnetic cycle is controlled by the relationship between luminosity and rate of rotation.
From the looks of it, one flash of an iPhone camera (or Lumee case) will blind bystanders thanks to the luminosity of this champagne tone sequin crop top and mini skirt.
With his club-kid energy and physical luminosity, Stanley is his own best advertisement.
But for all its luminosity, the Zukofskys’ life seemed short on warmth.
And while foundations that perfect skin and highlighters that catapult luminosity are an easy sell, bloated eye-shadow palettes are much more complicated.
Kate McGee’s lighting draws on a whole palette of luminosity, from the lone ghost light standing sentry to the dazzling whiteness that emanates, for a few startling moments, from beneath the stage.
The fire reached them on the ground in leaf litter and on the wind as embers, the pines and spruces and hemlocks, taking them—the forest of her inspiration dying in luminosity.
For lower-key radiance, GlamGlow Glowstarter Mega Illuminating Moisturizer in Sun Glow ($49) gives your face the right balance of warmth and luminosity.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'luminosity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of luminosity
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