fluorescence

noun

flu̇-ˈre-sᵊn(t)s How to pronounce fluorescence (audio)
Definition of fluorescencenext
as in glow
the steady giving off of the form of radiation that makes vision possible studied the fluorescence of certain elements

Synonyms & Similar Words

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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 fluorescence Also indicative of a dense shroud of gas were signs of fluorescence and helium-absorbing radiation. — Robert Lea, Space.com, 10 June 2026 To further develop the engine, the team plans to investigate light-emitting materials with shorter fluorescence lifetimes and tunable emission bandwidths, which can further speed up data rates. — Prabhat Ranjan Mishra, Interesting Engineering, 23 May 2026 For a time, Schoenbrun’s new film plays things relatively straight, eschewing the bright colors and black-light fluorescence of the non-binary director’s first two films. — Damon Wise, Deadline, 12 May 2026 The luciferase catalyzes the oxidation of luciferin, producing blue light, which GFP then absorbs and re-emits as green fluorescence. — Samantha Agate, Charlotte Observer, 23 Apr. 2026 See All Example Sentences for fluorescence
Recent Examples of Synonyms for fluorescence
  1. glow
  2. glare
  3. light
  4. gleam
  5. luminescence
  6. illumination
Noun
  • Parents can put glow sticks, glow necklaces or reflective tape on their children’s costumes for better visibility.
    — Lina Ruiz October 9, Fort Worth Star-Telegram, 9 Oct. 2026
  • While the colorful glow of these two nebulae pull the eye toward the center of this photograph, they are surrounded by a majestic night sky landscape.
    — Chelsea Gohd, Space.com, 9 Oct. 2026
Definition of glow
Noun
  • Winter is still so young—24—and caught in the glare of a very bright followspot.
    — Walden Green, Pitchfork, 9 Oct. 2026
  • Harvard University faced the glare of lawsuits and investigations over allegations of antisemitism on campus.
    — Cameron Pugh, Christian Science Monitor, 7 Oct. 2026
Definition of glare
Noun
  • Assembly Republican Leader Alexandra Macedo, R-Tulare, called on Choudri to step down in light of the report.
    — Lia Russell, Sacbee.com, 10 Oct. 2026
  • The Cathcarts’ office is gloomy and dark, while the Taylor & Byrne rooms are filled with light and air.
    — Rafaela Bassili, Vulture, 9 Oct. 2026
Definition of light
Noun
  • Many of us were not a gleam in our parents’ eyes when Monterey Pop took place.
    — David Fear, Rolling Stone, 2 Oct. 2026
  • Related Stories Cruise, declaiming every line, acting with blind bluster and a mean gleam of good-ol’-boy joy, makes Digger a walking cartoon — a larger-than-life satire of over-the-top American arrogance, like LBJ crossed with Foghorn Leghorn.
    — Owen Gleiberman, Variety, 29 Sep. 2026
Definition of gleam
Noun
  • Studying the effects of this fluctuating luminescence on interpreting gesture may tell us whether speech has significant benefits around an evening campfire.
    — Mike McRae September 02, New Atlas, 3 Sep. 2026
  • Her exhibit design vision, envisaged in partnership with partner Paul Cournet and his studio Cloud, incorporated luminescence and hues that radiated from the gems, dictating the color palette of purple, green, yellow and pink.
    — Sofia Celeste, Footwear News, 25 June 2026
Definition of luminescence
Noun
  • The new trio combines 3-chip 3LCD projection with laser-array illumination, HDR support, full 4K on-screen output, and high-frame-rate inputs up to 120 Hz across the lineup.
    — New Atlas, New Atlas, 28 Sep. 2026
  • Since the harvest moon will reach peak illumination after the sun rises, its radiance will appear more diminished than during the nighttime.
    — Hali Smith, Idaho Statesman, 25 Sep. 2026
Definition of illumination

Browse Nearby Words

flunky
fluorescence
fluorescences
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Cite this Entry

“Fluorescence.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fluorescence. Accessed 14 Oct. 2026.

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More from Merriam-Webster on fluorescence

Britannica.com: Encyclopedia article about fluorescence

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