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luminescence

 - 4 dictionary results
Fluorescence Spectroscopy
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lu⋅mi⋅nes⋅cence

  [loo-muh-nes-uhns]
Use luminescence in a Sentence
–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; < L lūmin- (see lumen ) + -escence

Related forms:
lu⋅mi⋅nes⋅cent, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Fluorescence Spectroscopy
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www.HORIBA.com/scientific
Luminescence: Shop Online
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lu·mi·nes·cence   (lōō'mə-něs'əns)   
n.  

  1. The emission of light that does not derive energy from the temperature of the emitting body, as in phosphorescence, fluorescence, and bioluminescence. Luminescence is caused by chemical, biochemical, or crystallographic changes, the motions of subatomic particles, or radiation-induced excitation of an atomic system.

  2. The light so emitted.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: lu·mi·nes·cence
Pronunciation: "lü-m&-'nes-&n(t)s
Function: noun
: the low-temperature emission oflight produced especially by physiological processes (as in the firefly), by chemical action, by friction, or by electrical action; also : light produced by luminescence —lu·mi·nesce /-'nes/ intransitive verb -nesced; -nesc·ing
—lu·mi·nes·cent /-&nt/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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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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