fluo·​res·​cent | \ flu̇-ˈre-sᵊnt How to pronounce fluorescent (audio) , flȯ-\

Definition of fluorescent

1 : having or relating to fluorescence
2 : bright and glowing as a result of fluorescence fluorescent inks broadly : very bright in color

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Other Words from fluorescent

fluorescent noun
fluorescently adverb

Examples of fluorescent in a Sentence

Recent Examples on the Web

Bovan sent models out in madcap proportions and glossy pouts that faded from burgundy to fluorescent coral, while Westwood gave celebs like Rose McGowan a cherry bomb shade for their poetic outcries on climate change. Vogue, "The Statement Lip Is London’s Street Style Beauty Takeaway," 20 Feb. 2019 To be fair, that descriptor sounds about right: Shabby accordion doors hid a peeling Formica surface, dropped ceilinged, and fluorescent lights. Amanda Sims, House Beautiful, "This Gorgeous Home Bar Used to Be a Dinky Closet," 11 Feb. 2019 In the ’90s came green fluorescent protein, which makes different parts of living cells visible. Ernie Mastroianni, Discover Magazine, "Meet the Man Who Takes Pictures of Microbes," 18 Oct. 2018 Consider Kendall Jenner, who paired her flirty highlighter-green top with matching eyeshadow, or Bella Hadid, who offset a fluorescent vest with head-to-toe white. Anny Choi, Vogue, "Neon Green Is Clearly Winter’s Hottest Trend," 11 Jan. 2019 Right on Cas Abou is B Diving and Watersports, which offers lessons for all ages and skill levels, certification, and equipment rentals; Ocean Encounters is another beloved school, and offers nighttime dives to see fluorescent fish. Kaitlin Menza, Town & Country, "The Best Things to Do, Eat, and See in Curaçao," 8 Jan. 2019 No other information of the people in fluorescent vests was immediately available, but the city is investigating. Amy Lieu, Fox News, "Hurricane Florence brings out fake government workers in Virginia: report," 13 Sep. 2018 Each room has its own lighting installation—fluorescent tubes cut across the walls and ceilings in patterns and shapes that echo the theater’s theme. Liz Stinson, Curbed, "In new Berlin cinema, every theater is a glowing piece of art," 24 July 2018 Instead of covering your whole face with its internal anatomy, try just a quarter of it by outlining your jawbone, teeth and eye socket with fluorescent hues. 24. Devon Abelman, Allure, "27 Last-Minute Halloween Costumes You Can Do With Just Makeup," 10 Oct. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fluorescent.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fluorescent

1853, in the meaning defined at sense 1

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Statistics for fluorescent

Last Updated

3 Mar 2019

Look-up Popularity

Time Traveler for fluorescent

The first known use of fluorescent was in 1853

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More Definitions for fluorescent



English Language Learners Definition of fluorescent

: producing light when electricity flows through a tube that is filled with a type of gas
: very bright


fluo·​res·​cent | \ flu̇-ˈre-sᵊnt How to pronounce fluorescent (audio) , flō-\

Kids Definition of fluorescent

1 : giving out visible light when exposed to external radiation a fluorescent substance a fluorescent coating
2 : producing visible light by means of a fluorescent coating a fluorescent bulb
3 : extremely bright or glowing fluorescent colors

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More from Merriam-Webster on fluorescent

Rhyming Dictionary: Words that rhyme with fluorescent

Spanish Central: Translation of fluorescent

Nglish: Translation of fluorescent for Spanish Speakers

Comments on fluorescent

What made you want to look up fluorescent? Please tell us where you read or heard it (including the quote, if possible).


an act or instance of returning to life

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