Luminescent



[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)

1889, from luminescence + -ent.
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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