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
  • It’s perfectly designed for sipping cocktails under the warm glow of the hotel's signature red canvas awnings and people-watching as Paris’s most chic inhabitants walk by.
    — Condé Nast, Condé Nast Traveler, 11 Sep. 2026
  • Gonzalez’s Instagram portfolio features a collection of similar skin-first looks, each with its own distinctive glow; the artist often favors radiant complexions over matte finishes.
    — Kaleigh Werner, Footwear News, 11 Sep. 2026
Definition of glow
Noun
  • And the manner in which the Tigers lost Friday again casts a harsh glare on a bullpen that has been this team’s weakness all season.
    — Cody Stavenhagen, New York Times, 5 Sep. 2026
  • One probe is examining the software’s role in several Tesla crashes in fog, sun glare and other low-visibility conditions, including one in which a pedestrian was killed.
    — Bernard Condon, Fortune, 4 Sep. 2026
Definition of glare
Noun
  • Remembrances extended far from the attack sites, including beams of light projected from New Hampshire's Mount Washington, a stair climb at Mississippi State University's football stadium and a ceremony at Honolulu's 9/11 memorial.
    — Arkansas Online, Arkansas Online, 12 Sep. 2026
  • North Carolina Democrats in the state’s House of Representatives cut all ties with one of their candidates running for the state legislature after her past social media posts about violence against Republicans came to light.
    — David Zimmermann, The Washington Examiner, 11 Sep. 2026
Definition of light
Noun
  • Hansen delivers this not with gravity but with a gleam in his eye, proud of his big showbiz sell.
    — Bilge Ebiri, Vulture, 5 Sep. 2026
  • The main camera is positioned so that Big Bear Lake gleams in the background, changing hue throughout the day.
    — Alex Ross, New Yorker, 24 Aug. 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
  • Choose from classic or multicolor options, plus light switch cover plates for even more illumination.
    — ABC News, ABC News, 5 Sep. 2026
  • Neighborhood Roppongi has long been a haven for expats, and the creation of Roppongi Hills two decades ago has further enlivened the area with luxury boutiques, apartments, restaurants and a compelling holiday illumination.
    — Condé Nast, Condé Nast Traveler, 25 Aug. 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 13 Sep. 2026.

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More from Merriam-Webster on fluorescence

Britannica.com: Encyclopedia article about fluorescence

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