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
In 2022, the United States had by far the highest total luminosity of any country, followed by China, India, Canada and Brazil.
—
Janet Loehrke, USA Today, 6 May 2026
Models include a way to describe it, imagining light pressure pushing material off the star, exceeding its stable luminosity limit – what scientists call super-Eddington conditions.
—Paul Sutter, Space.com, 3 May 2026
At distances of around 10 billion light-years, the luminosity distance differs by more than a factor of two from the naive prediction.
—Big Think, 1 May 2026
Inspired by the traditional Korean beauty ritual of rice-water cleansing, this shampoo focuses on boosting natural luminosity and deep hydration.
—Iman Balagam, Vogue, 27 Apr. 2026
See All Example Sentences for luminosity
Janet Loehrke, USA Today, 6 May 2026
Models include a way to describe it, imagining light pressure pushing material off the star, exceeding its stable luminosity limit – what scientists call super-Eddington conditions.
—Paul Sutter, Space.com, 3 May 2026
At distances of around 10 billion light-years, the luminosity distance differs by more than a factor of two from the naive prediction.
—Big Think, 1 May 2026
Inspired by the traditional Korean beauty ritual of rice-water cleansing, this shampoo focuses on boosting natural luminosity and deep hydration.
—Iman Balagam, Vogue, 27 Apr. 2026
See All Example Sentences for luminosity
Recent Examples of Synonyms for luminosity
Noun
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Adjusting images before they are sent for matching – for example, changing brightness levels – can improve accuracy, too.—
Vijayan Asari,
The Conversation,
2 June 2026
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The Danish band’s newfound brightness is apparent from the start, as the album opens with twinkling glockespiel.—
Brendan Hay,
SPIN,
2 June 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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This month, San Francisco Opera returns to Richard Strauss’s 1909 take on Greek tragedy with a score that reflects the composer’s brilliance in an enduring thriller.—
Randy McMullen,
Mercury News,
4 June 2026
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You’re known for your brilliance and hyper-logical mind, but your nervous system is screaming right now.—
Valerie Mesa,
PEOPLE,
4 June 2026
Noun
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There are tons of spa treatments, all on the affordable side, ranging from an abdominal relaxation ritual for digestive lightness to cranial drainage for migraine relief.—
Condé Nast,
Condé Nast Traveler,
3 June 2026
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The key here is texture, which is worked in to give the hair life, movement, and lightness.—
Vanessa Santos,
Glamour,
1 June 2026
Cite this Entry
“Luminosity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/luminosity. Accessed 6 Jun. 2026.
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