as in glow
the steady giving off of the form of radiation that makes vision possible
we could see inside the cave even without a flashlight because of the luminescence coming from some of the fungus on the walls
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Example Sentences
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Recent Examples of luminescence
Auroras are light shows that happen when charged particles from the sun interact with Earth's atmosphere and magnetic field, while airglow is luminescence caused by chemical reactions high in the atmosphere.
—
Elizabeth Howell, Space.com, 21 Nov. 2025
When placed under ultraviolet lighting, six species of the critters were found to emit a green luminescence.
—Taylor Nicioli, CNN Money, 29 Oct. 2025
Stratus clouds are gray layers, sometimes with variances in their luminescence.
—Noel Kirkpatrick, Treehugger, 7 Aug. 2025
Each frame is down-sampled to a lower resolution, then subjected to basic pixel/image analysis such as luminescence (brightness) and color extraction, brightness gradient analysis and texture analysis.
—IEEE Spectrum, 22 Dec. 2017
See All Example Sentences for luminescence
Elizabeth Howell, Space.com, 21 Nov. 2025
When placed under ultraviolet lighting, six species of the critters were found to emit a green luminescence.
—Taylor Nicioli, CNN Money, 29 Oct. 2025
Stratus clouds are gray layers, sometimes with variances in their luminescence.
—Noel Kirkpatrick, Treehugger, 7 Aug. 2025
Each frame is down-sampled to a lower resolution, then subjected to basic pixel/image analysis such as luminescence (brightness) and color extraction, brightness gradient analysis and texture analysis.
—IEEE Spectrum, 22 Dec. 2017
See All Example Sentences for luminescence
Recent Examples of Synonyms for luminescence
Noun
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The steady light of Saturn will shine below the Great Square of Pegasus with Mars lower still on the eastern horizon, close to the glow of the Pleiades open cluster.—
Anthony Wood,
Space.com,
1 May 2026
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With recent collaborations with tech titans like NVIDIA and hardware experts like Kinova, AtkinsRéalis is building an ecosystem where the next generation of energy is managed by machines that never tire and fear nothing, even the invisible glow of a reactor core.—
Mrigakshi Dixit,
Interesting Engineering,
29 Apr. 2026
Noun
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Symptoms include blurry or double vision, floaters, dark spots and trouble seeing in glare or bright light.—
Samantha Agate,
Sacbee.com,
1 May 2026
-
With a glare and a snarl and youthful athleticism, the wrong side of history beckons.—
Assistant Sports Editor,
Los Angeles Times,
1 May 2026
Noun
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The overhead lights were off, for ambience, but midafternoon daylight streamed through the windows.—
Anna Wiener,
New Yorker,
4 May 2026
-
That was the night the lights went out in Orlando; the night everything changed – the series, the confidence level and perhaps even the future of the head coach and the front office.—
Mike Bianchi,
The Orlando Sentinel,
4 May 2026
Noun
-
But here the songs are crystal clear, with the clean surfaces and spick-and-spam gleam of a factory floor.—
Andrew Ryce,
Pitchfork,
30 Apr. 2026
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The conductor Charlotte Rowan, who became the group’s artistic director only a few years ago, has not merely upheld its tradition of communal exactitude but honed it to a gleam.—
Justin Davidson,
Vulture,
29 Apr. 2026
Noun
-
These times mark the exact instant of full illumination.—
Anthony Wood,
Space.com,
1 May 2026
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Each mode delivers a different illumination blend to cater to specific concerns, like blue and red light for acne and red and near-infrared light for anti-aging benefits.—
Clara McMahon,
PEOPLE,
28 Apr. 2026
Cite this Entry
“Luminescence.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/luminescence. Accessed 5 May. 2026.
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