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 planet is the fourth world to be spotted in data from the European Space Agency's Gaia mission, which was designed to map a billion stars in our Milky Way galaxy, cataloguing their masses, luminosities, temperatures and motions through space.
—
Keith Cooper, Space.com, 5 Feb. 2025
Hydration is a core focus of the formula, ensuring the skin feels plump, refreshed, and radiant, enhancing its natural luminosity.
—Cortni Spearman, refinery29.com, 30 Jan. 2025
One is directly, by observing 'standard candles' — that is, objects with predictable luminosities such as Cepheid variables, type Ia supernova explosions, and red giant stars — in galaxies and determining how far away they are based on the apparent brightness of these standard candles.
—Keith Cooper, Space.com, 22 Jan. 2025
This vast stellar census contains details of star motions, luminosities, temperatures and compositions.
—Robert Lea, Space.com, 15 Jan. 2025
See All Example Sentences for luminosity
Keith Cooper, Space.com, 5 Feb. 2025
Hydration is a core focus of the formula, ensuring the skin feels plump, refreshed, and radiant, enhancing its natural luminosity.
—Cortni Spearman, refinery29.com, 30 Jan. 2025
One is directly, by observing 'standard candles' — that is, objects with predictable luminosities such as Cepheid variables, type Ia supernova explosions, and red giant stars — in galaxies and determining how far away they are based on the apparent brightness of these standard candles.
—Keith Cooper, Space.com, 22 Jan. 2025
This vast stellar census contains details of star motions, luminosities, temperatures and compositions.
—Robert Lea, Space.com, 15 Jan. 2025
See All Example Sentences for luminosity
Recent Examples of Synonyms for luminosity
Noun
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On those nights, the moon will be at 40% brightness, which may interfere with viewing, according to the American Meteor Society.—
Janet Loehrke,
USA Today,
19 Apr. 2025
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In our test, which involves playing a YouTube video on a loop with the screen at full brightness, the phone lasted 16 hours and 6 minutes on a single charge.—
PC Magazine,
PC Magazine,
17 Apr. 2025
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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The prevailing impression — reinforced by the disastrous display against Argentina this week — was of a team adrift, occasionally bailed out by individual brilliance but fundamentally nowhere near the level required.—
Jack Lang,
New York Times,
28 Mar. 2025
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This robust local structure not only nurtures individual brilliance but also reinforces team unity and tactical awareness on the international stage.—
Sindiswa Mabunda,
Forbes.com,
28 Mar. 2025
Noun
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Its lightness and delicate botanicals align with the season’s theme of renewal and freshness.—
Aly Walansky,
Forbes.com,
12 Apr. 2025
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Its lightness and delicate botanicals align with the season’s theme of renewal and freshness.—
Aly Walansky,
Forbes.com,
12 Apr. 2025
Cite this Entry
“Luminosity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/luminosity. Accessed 22 Apr. 2025.
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