Definition of luminescence in English:


Syllabification: lu·mi·nes·cence
Pronunciation: /ˌlo͞oməˈnesəns


  • The emission of light by a substance that has not been heated, as in fluorescence and phosphorescence.
    More example sentences
    • This property also leads to the intense luminescence and electron transfer capability of porphyrins and many metalloporphyins.
    • He studied seawater luminescence and ocean temperatures while charting the path of the Gulf Stream.
    • Not electrical, but green luminescence; a glowing paint that had been painted along every shelf and spare inch of wall or floor.



More example sentences
  • Fluorescence and phosphorescence are two similar luminescent phenomena.
  • A person could place his hand in an x-ray beam before a luminescent screen and view his own bones through a hooded visor.
  • The basis for this power is the development of stable and sensitive analysis devices and fluorescent and luminescent probes.


late 19th century: from Latin lumen, lumin- 'light' + -escence (denoting a state).

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