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1. (n.) luminescence
the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies.
2. luminescence
the light produced by such an emission.
Etymology: (1885–90; < L lūmin- light + -escence)
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| Definition of 'LUMINESCENCE' |
Princeton's WordNet |
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1. (noun) luminescence
light not due to incandescence; occurs at low temperatures
2. (noun) luminescence, glow
light from nonthermal sources
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| Definition of 'LUMINESCENCE' |
U.S. National Library of Medicine |
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1. LUMINESCENCE
Emission of LIGHT when ELECTRONS return to the electronic ground state from an excited state and lose the energy as PHOTONS. It is sometimes called cool light in contrast to INCANDESCENCE. LUMINESCENT MEASUREMENTS take advantage of this type of light emitted from LUMINESCENT AGENTS.
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Definitions of LUMINESCENCE 
