Definition of luminescence in English:

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Pronunciation: /ˌluːmɪˈnɛs(ə)ns/


[mass noun]
The emission of light by a substance that has not been heated, as in fluorescence and phosphorescence: honey fungus produces a ghostly greenish luminescence
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.



Pronunciation: /luːmɪˈnɛs(ə)nt/
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).

Words that rhyme with luminescence

acquiescence, adolescence, arborescence, coalescence, convalescence, deliquescence, effervescence, essence, evanescence, excrescence, florescence, fluorescence, incandescence, iridescence, juvenescence, obsolescence, opalescence, phosphorescence, pubescence, putrescence, quiescence, quintessence

For editors and proofreaders

Line breaks: lu¦mi|nes¦cence

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