fluoresce

verb
fluo·resce | \ flu̇-ˈres , 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

The quinine in tonic water will fluoresce a bright blue, as will the darkest spots on an overripe banana. Helen Czerski, WSJ, "Behind Sparkling White Uniforms, an Optical Trick," 24 May 2018 This involves introducing into cells genes that produce proteins that fluoresce with a greenish glow, so they and their axons (neurons’ output wires) can be visualized with light microscopy. Simon Makin, Scientific American, "“Bar Codes.” Could Trace Errant Brain Wiring in Autism and Schizophrenia," 30 Mar. 2018 To distinguish between neurons and glia, Herculano-Houzel injected the vials with a chemical dye that would make all nuclei fluoresce blue under ultraviolet light, and then with another dye to make the nuclei of neurons glow red. Ferris Jabr, New York Times, "To Unlock the Brain’s Mysteries, Purée It," 14 Dec. 2017 Almost any body fluid will fluoresce at 454 nanometers, but in this case the fluid is semen—though not from the original crime; that was all removed in swatches for evidence. Jeffrey Kluger, Time, "It Might Be Impossible to Get Away With Crime Some Day," 28 July 2017 This process works because the collagen in the parchment fluoresces a soft blue color under near-ultraviolet illumination. Ken Krebs, Scientific American Blog Network, "Peering beneath the Surface of Ancient Manuscripts," 7 July 2017 Imagine a softly glowing world, inhabited by a multitude of species that fluoresce in response to their star’s violent outbursts. National Geographic, "Looking For Life on Proxima B? Try Glowing Aliens.," 24 Aug. 2016

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

The first known use of fluoresce was in 1874

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More Definitions for fluoresce

fluoresce

intransitive verb
flu·o·resce | \ ˌflu̇(-ə)r-ˈes , flōr- , flȯr- \
fluoresced; fluorescing

Medical Definition of fluoresce 

: to produce, undergo, or exhibit fluorescence

Other words from fluoresce

fluorescer noun

More from Merriam-Webster on fluoresce

See words that rhyme with fluoresce

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