Natural Phenomenon or Process
luminescence
lu·mi·nes·cence [ loo-muh-nes-uhns ]
Definitions related to luminescence:
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Emission of LIGHT when ELECTRONS return to the electronic ground state from an excited state and lose the energy as PHOTONS. It is sometimes called cool light in contrast to INCANDESCENCE. LUMINESCENT MEASUREMENTS take advantage of this type of light emitted from LUMINESCENT AGENTS.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Emission of light without appreciable emission of heat.CRISP ThesaurusNational Institutes of Health, 2006
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The emission of light that does not involve the release of heat.NCI ThesaurusU.S. National Cancer Institute, 2021
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