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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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 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 The Scripps Research team used minimal fluorescence photon flux super-resolution microscopy to explore the difference between the two proteins. — Noah Lyons, San Diego Union-Tribune, 9 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
  • While a thin sliver will remain illuminated by direct sunlight, most of the lunar surface will appear dramatically darkened with a subtle reddish-orange glow — reminiscent of a total lunar eclipse seen across North America on March 3.
    — Jamie Carter, Forbes.com, 13 Aug. 2026
  • There, all arms of the Walt Disney Company — the multiple studios, television, parks, streaming, gaming, music, and more — simultaneously bask in the glow of nostalgia and take the time to tease their future.
    — Savannah Salazar, Vulture, 13 Aug. 2026
Definition of glow
Noun
  • This stellar companion is apparently a luminous star that has three times the mass of the sun but is so close to the far brighter supergiant that its light had been hidden in the glare all this time.
    — Phil Plait, Scientific American, 14 Aug. 2026
  • Even beneath the stark, soulless glare of studio lights, the Valen is instantly arresting.
    — Tim Pitt, Robb Report, 14 Aug. 2026
Definition of glare
Noun
  • After the bright lights of the Tour, Vollering returned to the countryside this week.
    — Jessica Hopkins, New York Times, 15 Aug. 2026
  • ClearJet’s asset-light approach instead uses its orchestration layer to connect existing capacity across multiple providers, which Edison Partners identified as the company’s central advantage.
    — Glenn Taylor, Footwear News, 14 Aug. 2026
Definition of light
Noun
  • Meanwhile, Tucuma-seed and buriti oils soften the skin and boost its radiance for a subtle, youthful gleam.
    — Jenny Berg, Vogue, 17 July 2026
  • In other words, there is no recapturing the mythological—and curiously innocent—gleam of earlier World Cup eras.
    — Anthony Lane, New Yorker, 17 July 2026
Definition of gleam
Noun
  • 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
  • In a new study published in PLOS, researchers analyzed 161 fossils with a new rapid and non-destructive protocol, based on stimulating the bone remains with an external energy source, called luminescence.
    — Maria Mocerino, Interesting Engineering, 6 June 2026
Definition of luminescence
Noun
  • Artificial nighttime illumination can alter the behavior of migratory birds, insects and other nocturnal species that rely on moonlight and starlight to navigate, feed and reproduce, the coalition says.
    — Jean Lee, NBC news, 6 Aug. 2026
  • Adaptive matrix headlights, which can selectively dim portions of the beam to avoid dazzling other drivers while maintaining maximum illumination elsewhere, are theoretically the technological solution to the problem.
    — Matthew MacConnell, ArsTechnica, 3 Aug. 2026
Definition of illumination

Browse Nearby Words

flunky
fluorescence
fluorescences
See all Nearby Words

Cite this Entry

“Fluorescence.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fluorescence. Accessed 19 Aug. 2026.

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More from Merriam-Webster on fluorescence

Nglish: Translation of fluorescence for Spanish Speakers

Britannica.com: Encyclopedia article about fluorescence

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