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 To map the molecular structure of the scorpions’ weaponry, the researchers used high-resolution scanning electron microscopy coupled with micro-X-ray fluorescence imaging. — Jacek Krywko, ArsTechnica, 1 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 Notably, the chain catshark’s fluorescence doesn’t appear uniformly across its body. — Scott Travers, Forbes.com, 13 Mar. 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
  • Your 5th House of Creativity and Play glows as Venus forms an effortless trine to Chiron in your sign, encouraging pleasure that supports personal healing.
    — Tarot.com, Baltimore Sun, 10 July 2026
  • Tipping my hat to whoever’s responsible for the shot of Sugar checking behind his back, into the darkness as the greenish-white glow of the computer screen reflects in his eyes, giving the impression of those turquoise alien eyes flashing in fear.
    — Andy Andersen, Vulture, 10 July 2026
Definition of glow
Noun
  • Sunglasses for your little one can protect their eyes and reduce glare—just make sure that the label states that the lenses block at least 99% of ultraviolet (UVA and UVB) radiation.
    — Nancy Mattia, Parents, 8 July 2026
  • In the glare of the intense summer sun, the Indian Pacific had a reflective, chromatic glow.
    — Justin Meneguzzi, Travel + Leisure, 7 July 2026
Definition of glare
Noun
  • If caught in dense blowing dust, pull off the road, turn off your lights and keep your foot off the brake.
    — CA Weather Bot, Sacbee.com, 10 July 2026
  • Instead of projecting light onto a flat surface, the new method directs laser energy into a three-dimensional volume inside a photosensitive material called SU-8.
    — Neetika Walter, Interesting Engineering, 10 July 2026
Definition of light
Noun
  • The first hotel opened by the Orient Express group, its design gleams with contemporary comfort while still referencing the history of this world-famous train.
    — Megan Rose Murray, Condé Nast Traveler, 10 July 2026
  • Made from mulberry silk with a satin finish, the dress has a natural gleam and catches the light just a touch, setting it apart from other styles in the room.
    — Tanya Sharma, PEOPLE, 9 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
  • While maintaining the illumination needed for pilots and crews, these modes are intended to reduce the likelihood of detection by opposing forces using infrared sensors.
    — Kaif Shaikh, Interesting Engineering, 6 July 2026
  • There is also plenty of pomp, along with bells, bonfires, and illuminations.
    — Sheldon Pearce, New Yorker, 3 July 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 15 Jul. 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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