fluoresce

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

Definition of fluoresce

intransitive verb

: to produce, undergo, or exhibit fluorescence

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Other Words from fluoresce

fluorescer noun

Examples of fluoresce in a Sentence

Recent Examples on the Web In October, researchers reported that the already perplexing animals fluoresce a psychedelic blue-green color under black light. New York Times, 18 Dec. 2020 Stewart and his colleagues reckon that an amino acid like phenylalanine, which is released from a dead body, could cause leaves to fluoresce in a distinct way. Matt Simon, Wired, 3 Sep. 2020 The copies are cleverly designed to fluoresce when they’re formed. Beth Mole, Ars Technica, 18 Aug. 2020 And at that point, the solution can fluoresce so much that it can be detected. Andy Larsen, The Salt Lake Tribune, 9 Aug. 2020 That distantly related species of amphibians all fluoresced suggests that the trait likely developed early in amphibian evolution and may be quite widespread among the group. Joanna Klein, New York Times, 27 Feb. 2020 But knowing a tiny amphibian might shine green among leaves that fluoresce red in blue light, could make surveys much easier. Joanna Klein, New York Times, 27 Feb. 2020 As a control, Rober uses a blacklight to note which spots fluoresced before the students (who didn't know about the experiment) arrived. Isabel Garcia, House Beautiful, 26 Mar. 2020 Could this be why so few amphibians were known to fluoresce? Joanna Klein, New York Times, 27 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fluoresce.' 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 fluoresce

1874, in the meaning defined above

History and Etymology for fluoresce

back-formation from fluorescence

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Time Traveler for fluoresce

Time Traveler

The first known use of fluoresce was in 1874

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Dictionary Entries Near fluoresce

fluorene

fluoresce

fluorescein

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Statistics for fluoresce

Cite this Entry

“Fluoresce.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluoresce. Accessed 25 Sep. 2021.

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More Definitions for fluoresce

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

Medical Definition of fluoresce

: to produce, undergo, or exhibit fluorescence

Other Words from fluoresce

fluorescer noun

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