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
The contrast provides luminosity and a sense of movement that makes hair look light and healthy, as well as a bronzed effect.
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María Diez, Vogue, 17 Nov. 2025
White walls, a greige rug, pearl-toned fabrics, and glass accents bring luminosity, while an antique pine credenza and framed gilt mirror act as a weightier counterpart.
—Paola Singer, Architectural Digest, 13 Nov. 2025
By comparing a Cepheid’s intrinsic luminosity with how bright the star appears in our sky, its distance can then be calculated.
—Phil Plait, Scientific American, 6 Nov. 2025
You’ll be surprised by the luminosity of ingredients like bergamot, turmeric, and peppercorn that come with this offering, whose sharpness is cut through by the sweetness of fig and the citrusy woodiness of petitgrain.
—Stacia Datskovska, Footwear News, 23 Oct. 2025
See All Example Sentences for luminosity
Recent Examples of Synonyms for luminosity
Noun
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To put its change in brightness into perspective, the brightest observed x-ray flare from Sagittarius A* happened in 2013, but that event had only 1 percent of the brightness of what the black hole may have emitted perhaps as recently as a few hundred years ago, Michail says.—
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This summer, the Lab was chock full of gear, with clever, innovative tests for everything from backpack comfort to headlamp brightness.—
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.—
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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.—
Noun
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As Amadeus’ brilliance continues to flourish in spite of his personal demons, a questionable reputation and skepticism from the conservative court, Salieri becomes increasingly tormented by this apparent divine gift.—
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With brilliance and connection at her core, the ship was created to give all guests the freedom to vacation their very own way – offering the chance to exhale, connect and effortlessly escape into the moment.—
Noun
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To assess the roots, carefully remove the plant from its pot and examine them for firmness, lightness, and suppleness.—
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But with Rawayana, depth is always masked by lightness.—
Cite this Entry
“Luminosity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/luminosity. Accessed 20 Jan. 2026.
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