as in brightness
the quality or state of having or giving off light
the luminosity of the fireflies made for an enchanting nighttime show
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Recent Examples of luminosity
Energy from this astrophysical engine sets the surrounding ejected gas aglow, souping up the supernova’s luminosity and longevity.
—
Joseph Howlett, Scientific American, 11 Mar. 2026
Taken altogether, this explains the decrease in time between SN 2024afav’s luminosity oscillations and confirms Kasen’s magnetar theory.
—Andrew Paul, Popular Science, 11 Mar. 2026
Whether bumps or pits, roughness or a distinct lack of luminosity, uneven skin texture impacts all of us at some point.
—Hannah Coates, Vogue, 9 Mar. 2026
Cho says your lifestyle can also impact the luminosity of your skin, and recommends getting a proper amount of sleep, water, and exercise paired with a balanced diet to boost your skin’s natural glow.
—Christa Joanna Lee, InStyle, 3 Mar. 2026
See All Example Sentences for luminosity
Joseph Howlett, Scientific American, 11 Mar. 2026
Taken altogether, this explains the decrease in time between SN 2024afav’s luminosity oscillations and confirms Kasen’s magnetar theory.
—Andrew Paul, Popular Science, 11 Mar. 2026
Whether bumps or pits, roughness or a distinct lack of luminosity, uneven skin texture impacts all of us at some point.
—Hannah Coates, Vogue, 9 Mar. 2026
Cho says your lifestyle can also impact the luminosity of your skin, and recommends getting a proper amount of sleep, water, and exercise paired with a balanced diet to boost your skin’s natural glow.
—Christa Joanna Lee, InStyle, 3 Mar. 2026
See All Example Sentences for luminosity
Recent Examples of Synonyms for luminosity
Noun
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Town officials say strict regulations would also control the size, brightness, and how often the images on those signs can change.—
Conor McGill,
CBS News,
15 Apr. 2026
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However, some form of auto-brightness might have still been activated, buried deep in a menu, or an image-processing feature that also dims the picture could have been running.—
Will Greenwald,
PC Magazine,
14 Apr. 2026
Noun
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So, astronomers have come up with a compromise regarding the geometry of the sun's illumination angle on Venus' disk versus its distance from Earth to determine the time of Venus' greatest brilliancy.—
Joe Rao,
Space.com,
4 Apr. 2025
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Family circles will have wrapped themselves in the holy pleasures of the great occasion, and everywhere the grand old holiday will have been introduced with all the majesty and brilliancy which clings around the hallowed name of Christmas.—
Michael Barnes,
Austin American-Statesman,
23 Dec. 2024
Noun
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Steve Kerr compared the win to the Warriors’ heyday as champions, as Curry’s offensive brilliance, Green’s shutdown defense and some timely shooting from Al Horford took Golden State over the top.—
Pueng Vongs,
Mercury News,
16 Apr. 2026
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The second season of Beef can’t reproduce the sneak-up-on-you brilliance of the first, but without many direct connections this eight-episode story feels very much of a piece.—
Daniel Fienberg,
HollywoodReporter,
16 Apr. 2026
Noun
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With their everyday wear, the rings are streamlined to showcase steel’s lightness and comfort — and their stackable design allows for layered wear for mixing-and-matching.—
Fairchild Studio,
Footwear News,
20 Apr. 2026
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The scale of ambition alongside the lightness of touch inspires me, and the return of ‘White Rabbit Red Rabbit’ opens a door to something much bigger.—
Naman Ramachandran,
Variety,
17 Apr. 2026
Cite this Entry
“Luminosity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/luminosity. Accessed 21 Apr. 2026.
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