fluoresce

verb

fluo·​resce flu̇-ˈres How to pronounce fluoresce (audio)
flȯ-
fluoresced; fluorescing

intransitive verb

: to produce, undergo, or exhibit fluorescence
fluorescer noun

Examples of fluoresce 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.
Just two days after the treatment, the lung tissue started to fluoresce. John Timmer, Ars Technica, 13 June 2024 Another species, a deep-sea scarlet frogfish, fluoresce in a way that matches the surroundings, suggesting that it may be used for camouflage, researchers said. Irene Wright, Miami Herald, 13 June 2024 The first, a blue 480-nm beam, can make spots fluoresce, while the second, an orange 592-nm light, switches off the fluorescence process. IEEE Spectrum, 23 Feb. 2024 Precise control over the firing of these lasers can single out which specific nanometer-scale spot ends up fluorescing. IEEE Spectrum, 23 Feb. 2024 See all Example Sentences for fluoresce 

Word History

Etymology

back-formation from fluorescence

First Known Use

1874, in the meaning defined above

Time Traveler
The first known use of fluoresce was in 1874

Dictionary Entries Near fluoresce

Cite this Entry

“Fluoresce.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluoresce. Accessed 21 Nov. 2024.

Kids Definition

fluoresce

verb
flu·​o·​resce
ˌflu̇(-ə)r-ˈes
fluoresced; fluorescing
: to produce, exhibit, or be exposed to fluorescence

Medical Definition

fluoresce

intransitive verb
flu·​o·​resce ˌflu̇(-ə)r-ˈes How to pronounce fluoresce (audio) flōr- How to pronounce fluoresce (audio) flȯr- How to pronounce fluoresce (audio)
fluoresced; fluorescing
: to produce, undergo, or exhibit fluorescence
fluorescer noun
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