• synonyms


[floo-res-uh nt, flaw-, floh-]
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  1. possessing the property of fluorescence; exhibiting fluorescence.
  2. strikingly bright, vivid, or glowing: plastic toys in fluorescent colors.
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  1. a lighting fixture that utilizes a fluorescent lamp.
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Origin of fluorescent

First recorded in 1850–55; fluor- + -escent
Related formsnon·fluo·res·cent, adjectiveun·fluo·res·cent, adjective
Can be confusedfluorescent fluoridation fluoride
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for fluorescent

sunny, bright, shiny, luminous, rich, enlightening, polished, clear, glowing, glossy, shining, burnished, fluorescent, flashing, illuminated, ablaze, brilliant, cloudless, lambent, lustrous

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Contemporary Examples of fluorescent

Historical Examples of fluorescent

British Dictionary definitions for fluorescent


  1. exhibiting or having the property of fluorescence
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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

Word Origin and History for fluorescent


1853, from fluor- + -escent (see fluorescence). The fluorescent electric lamp patent was applied for in 1896 by U.S. inventor Thomas A. Edison, but such lights were rare before 1938.

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Online Etymology Dictionary, © 2010 Douglas Harper