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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

Derived Forms

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

Several types of so-called debloomed oil have been placed upon the market, and although such oils appear under ordinary light conditions to be free from bloom, they fluoresce quite strongly when given the Outerbridge test.

From Paint Technology and Tests by Gardner, Henry A.

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