Luminescence
[loo-muh-nes-uh ns] /ˌlu məˈnɛs əns/
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.
/ˌluːmɪˈnɛsəns/
noun
1.
(physics)
n.
1884, from Latin lumen (genitive luminis) “light” (see luminous) + -escence.
Fluorescence and Phosphorescence — Prof. E. Wiedmann has made a new study of these phenomena. He proposes the general name luminescence for evolutions of light which do not depend on the temperature of the substance concerned. [“Photographic News,” April 20, 1888]
luminescence lu·mi·nes·cence (lōō’mə-něs’əns)
n.
luminescence
(l’mə-něs’əns)
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