Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

fluoresce

play
verb fluo·resce \flu̇-ˈres, flȯ-\

Definition of fluoresce

fluoresced

fluorescing

  1. intransitive verb
  2. :  to produce, undergo, or exhibit fluorescence

fluorescer

noun


Origin and Etymology of fluoresce

back-formation from fluorescence


First Known Use: 1874


Medical Dictionary

fluoresce

play play play
intransitive verb flu·o·resce \ˌflu̇(-ə)r-ˈes, flōr-, flȯr-\

Medical Definition of fluoresce

fluoresced

;

fluorescing

  1. :  to produce, undergo, or exhibit fluorescence

fluorescer

noun



Seen and Heard

What made you want to look up fluoresce? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

looking or feeling very sad

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

dog-eating-apple

Which is a synonym of asperse?

placate beat defame divulge
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ