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fluoresce

American

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

verb (used without object)

fluoresced, fluorescing

to exhibit fluorescence.

fluoresce British

/ ˌflʊəˈrɛs /

verb

(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.

A final burst of laser pulses nudges each ion to either fluoresce or not—a flash of binary code that detectors read out as the computation’s solution.

From Science Magazine • May 30, 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

Here, the researchers utilized red and green fluorescent emitting particles; one droplet contained particles that fluoresce red under ultraviolet light irradiation, while the other contained particles that fluoresce green.

From Science Daily • Nov. 17, 2023

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

Liquids which fluoresce only do so while the exciting light is falling on them, ceasing immediately the exciting light is cut off.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023