[floo-res, flaw-, floh-]

verb (used without object), fluo·resced, fluo·resc·ing.

to exhibit fluorescence.

Origin of fluoresce

First recorded in 1870–75; back formation from fluorescence
Related formsfluo·resc·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of fluoresce

British Dictionary definitions for fluoresce



(intr) to exhibit fluorescence

Word Origin for fluoresce

C19: back formation from 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