lu·mi·nes·cence

[loo-muh-nes-uhns]
noun
1.
the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies.
2.
the light produced by such an emission.

Origin:
1885–90; < Latin lūmin- (see lumen) + -escence

lu·mi·nes·cent, adjective
non·lu·mi·nes·cence, noun
non·lu·mi·nes·cent, adjective
un·lu·mi·nes·cent, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
luminescence (ˌluːmɪˈnɛsəns) [Click for IPA pronunciation guide]
 
n
physics
 a.  the emission of light at low temperatures by any process other than incandescence, such as phosphorescence or chemiluminescence
 b.  the light emitted by such a process
 
[C19: from Latin lūmen light]
 
lumi'nescent
 
adj

00:10
Luminescent is always a great word to know.
So is callithumpian. Does it mean:
a gadget; dingus; thingumbob.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
luminescence (ˌluːmɪˈnɛsəns) [Click for IPA pronunciation guide]
 
n
physics
 a.  the emission of light at low temperatures by any process other than incandescence, such as phosphorescence or chemiluminescence
 b.  the light emitted by such a process
 
[C19: from Latin lūmen light]
 
lumi'nescent
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

luminescence
1889, from luminescent.

luminescent
1889, from L. lumin-, lumen "light" (see luminous).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

luminescence lu·mi·nes·cence (l&oomacr;'mə-něs'əns)
n.

  1. The emission of light that does not derive energy from the temperature of the emitting body, as in fluorescence and bioluminescence.

  2. The light so emitted.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
luminescence   (l'mə-něs'əns)  Pronunciation Key 
  1. The emission of light as a result of the excitation of atoms by energy other than heat. Bioluminescence, fluorescence, and phosphorescence are examples of luminescence that can be produced by biological or chemical processes.

  2. The light produced in this way.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
Luminescent hands and hour markers provide visibility in all kinds of
  conditions.
Four of the species are completely new to scientists, and three previously
  known species were discovered to be luminescent.
And these luminescent particles were released by a comb jelly.
From all across the desert they came, with luminescent wires in their hair or
  war paint on their faces.
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