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.
Paired against the fluorescent base of Erivo’s green skin, both Elphaba and Glinda’s skin reflect light in a very similar way. Sarah Shachat, IndieWire, 23 Dec. 2024 Folio Photonics is a company which has developed a multilayer optical recording system for archiving applications which can result in photothermal recording similar to Blu-ray optical discs with either reflective or fluorescent recording technologies. Thomas Coughlin, Forbes, 11 Dec. 2024 This study demonstrates the antioxidant function of fluorescent proteins in a living organism for the first time, opening a door for more research. Jules Jacobs, Smithsonian Magazine, 12 Aug. 2024 The city official held a box aloft and the packed room fell silent under the fluorescent lights of Blue Lake’s community resource center. Daniel Miller, Los Angeles Times, 13 Dec. 2024 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

Dictionary Entries Near fluorescent

Cite this Entry

“Fluorescent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluorescent. Accessed 21 Jan. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!