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 While that sounds much more intuitive, a technique called X-ray fluorescence spectroscopy reveals that what’s on the surface might not be the whole story. — Margherita Bassi, Popular Science, 11 June 2026 Also indicative of a dense shroud of gas were signs of fluorescence and helium-absorbing radiation. — Robert Lea, Space.com, 10 June 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
  • The concealer, which comes in 25 shades, goes on top to add a subtle glow that plays up the color of the eyes.
    — Maggie Ryan, Flow Space, 16 Oct. 2026
  • While the planets in our solar system are still visible, sky glow obscures more distant objects, such as fainter stars.
    — Chris McMullen, Space.com, 16 Oct. 2026
Definition of glow
Noun
  • The glare cast by the 74%-lit waxing gibbous moon will hide fainter shooting stars for much of the night.
    — Anthony Wood, Space.com, 17 Oct. 2026
  • He was constantly interrupted by phone calls, the glare of television lights and accepted his good wishes of his friends across the country.
    — Kori Rumore, Chicago Tribune, 14 Oct. 2026
Definition of glare
Noun
  • But most visitors were gathered around one explosively colorful painting in swirling shades of light and dark blue, bottle green, and pale gold.
    — Joan Martelli, Time, 17 Oct. 2026
  • Two lasers replace hardware Optical frequency combs work much like rulers for light.
    — Neetika Walter, Interesting Engineering, 17 Oct. 2026
Definition of light
Noun
  • The presence of the K-pop star and Coppolla, who was also the star of a Cartier Cinema Club session staged in the wake of the high jewelry reveal, gave a global gleam to the moment.
    — Lily Templeton, Footwear News, 18 Oct. 2026
  • Many of us were not a gleam in our parents’ eyes when Monterey Pop took place.
    — David Fear, Rolling Stone, 2 Oct. 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
  • Finally, grab 30% off the SteelSeries Apex 3 TKL Gaming Keyboard, giving you whisper-quiet switches and stunning 8-zone RGB illumination.
    — Juhi Wadia, PC Magazine, 19 Oct. 2026
  • The next step in capturing electrons in action The achievement could help researchers study how electrons behave in atoms and molecules, including how matter responds to intense X-ray illumination.
    — Rupendra Brahambhatt, Interesting Engineering, 17 Oct. 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 22 Oct. 2026.

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More from Merriam-Webster on fluorescence

Britannica.com: Encyclopedia article about fluorescence

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