as in brightness
the quality or state of having or giving off light
the luminosity of the fireflies made for an enchanting nighttime show
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of luminosity
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
Even more surprising, the nebula’s gamma-ray luminosity at PeV energies is several times higher than that of the Crab Nebula, despite its weaker pulsar.
—Rupendra Brahambhatt, Interesting Engineering, 26 Apr. 2026
See All Example Sentences for luminosity
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
Even more surprising, the nebula’s gamma-ray luminosity at PeV energies is several times higher than that of the Crab Nebula, despite its weaker pulsar.
—Rupendra Brahambhatt, Interesting Engineering, 26 Apr. 2026
See All Example Sentences for luminosity
Recent Examples of Synonyms for luminosity
Noun
-
Its 11-inch Ultra Retina XDR display offers extreme brightness, ProMotion fluid scrolling, and precise contrast control.—
Juhi Wadia,
PC Magazine,
24 May 2026
-
And, to a large extent, Chicago third baseman Miguel Vargas, who lost two battles with the brightness and paved the way for Bader’s game-changing grand slam.—
Justice delos Santos,
Mercury News,
23 May 2026
Noun
-
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
-
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
-
Engineered to curl The brilliance of the new protective technology lies in its multi-layered design.—
Mrigakshi Dixit,
Interesting Engineering,
27 May 2026
-
Continue reading … STANDING OVATION — Hollywood icon reminds a fractured nation of the brilliance of the Constitution.—
,
FOXNews.com,
26 May 2026
Noun
-
Their lightness served as a contrast to Rodrigo’s dark and lived-in look.—
Karla Rodriguez,
Footwear News,
26 May 2026
-
Male players in European soccer leagues receive public recognition for on-field actions in direct proportion to the lightness of their skin.—
Wyatt Williams,
Harpers Magazine,
26 May 2026
Cite this Entry
“Luminosity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/luminosity. Accessed 2 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
