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fluoresce

American  
[floo-res, flaw-, floh-] / flʊˈrɛs, flɔ-, floʊ- /

verb (used without object)

fluoresced, fluorescing
  1. to exhibit fluorescence.


fluoresce British  
/ ˌflʊəˈrɛs /

verb

  1. (intr) to exhibit fluorescence

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • fluorescer noun

Etymology

Origin of fluoresce

First recorded in 1870–75; back formation from fluorescence

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When they shine a black light on the coral, organic compounds in the coral cause it to fluoresce.

From Science Daily • Mar. 18, 2024

The 34-year-old is on a one-man mission to shine his UV light on what he calls a "magic world" in which plants and animals fluoresce to communicate.

From BBC • Feb. 17, 2024

When the ions regain their electrons, they fluoresce.

From Science Magazine • Jan. 8, 2024

According to a paper published in the journal Royal Society Open Science this month, lions, polar bears, scaly-tailed possums and American pikas also fluoresce.

From New York Times • Oct. 20, 2023

X-rays produced by a target in the instrument strike the object and cause it, in turn, to fluoresce, or emit, X-rays.

From Bloodletting Instruments in the National Museum of History and Technology by Appel, Toby