Dictionary

luminescence

noun lu·mi·nes·cence \-ˈne-sən(t)s\

: the creation of light by processes that do not involve heat; also : the light created

Full Definition of LUMINESCENCE

:  the low-temperature emission of light (as by a chemical or physiological process); also :  light produced by luminescence
lu·mi·nes·cent \-sənt\ adjective

Examples of LUMINESCENCE

  1. the luminescence of the watch
  2. <we could see inside the cave even without a flashlight because of the luminescence coming from some of the fungus on the walls>

Origin of LUMINESCENCE

International Scientific Vocabulary lumin- + -escence
First Known Use: 1889

luminescence

noun lu·mi·nes·cence \ˌlü-mə-ˈnes-ən(t)s\   (Medical Dictionary)

Medical Definition of LUMINESCENCE

:  the low-temperature emission of light produced especially by physiological processes (as in the firefly), by chemical action, by friction, or by electrical action; also :  light produced by luminescence
lu·mi·nesce \-ˈnes\ intransitive verb, lu·mi·nesced lu·mi·nesc·ing
lu·mi·nes·cent \-ənt\ adjective

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