fluorescent

adjective

fluo·​res·​cent flu̇-ˈre-sᵊnt How to pronounce fluorescent (audio)
flȯ-
1
: having or relating to fluorescence
2
: bright and glowing as a result of fluorescence
fluorescent inks
broadly : very bright in color
fluorescent noun
fluorescently adverb

Examples of fluorescent in a Sentence

Recent Examples on the Web
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.
Santoni noted during the walk-through that the ceiling was built to mimic the natural light outside so that all of the product’s true colors can be seen without the distraction of fluorescent lightbulbs. Stephen Garner, WWD, 17 Mar. 2025 The British subculture of the mid aughts was characterized by its heavy and hectic DIY disco sounds, and a defining aesthetic of fluorescent clothing. Anna Cafolla, Vogue, 14 Mar. 2025 Proteins that were treated continued to be fluorescent, indicating that our thiol polymer neutralized the free radical and protected the protein. Aaron Priester, The Conversation, 19 Feb. 2025 Despite fluorescent lights, the space felt furtive. Hazlitt, 5 Mar. 2025 See All Example Sentences for fluorescent

Word History

First Known Use

1853, in the meaning defined at sense 1

Time Traveler
The first known use of fluorescent was in 1853

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Cite this Entry

“Fluorescent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluorescent. Accessed 25 Mar. 2025.

Kids Definition

fluorescent

adjective
flu·​o·​res·​cent
ˌflu̇(-ə)r-ˈes-ᵊnt
1
: having or relating to fluorescence
2
: very bright in color
fluorescent markers

More from Merriam-Webster on fluorescent

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