bn:00052304n
Noun Concept
Categories: Light sources, 19th-century neologisms, Luminescence
EN
luminescence  Light-emitting material  Light-emitting materials  luminescent  Luminescent measurements
EN
Light not due to incandescence; occurs at low temperatures WordNet 3.0
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EN
Luminescence is the "spontaneous emission of radiation from an electronically excited species not in thermal equilibrium with its environment", according to the IUPAC definition. Wikipedia
Emission of light by a substance not resulting from heat. Wikipedia Disambiguation
Emission of light by a substance not resulting from heat Wikidata