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- DictionaryLu·mi·nes·cence/ˌlo͞oməˈnes(ə)ns/
noun
- 1. the emission of light by a substance that has not been heated, as in fluorescence and phosphorescence: "honey fungus produces a ghostly greenish luminescence"
Luminescence definition: the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies.. See examples of LUMINESCENCE used in a sentence.
the giving out of light by a substance that has not been heated: A variety of lighting elements are used, from LED to chemical luminescence. Compare. incandescence. literary. soft light: The car headlights lit the driveway with a pool of bright luminescence. The table-lamp threw a soft luminescence across the chair. See. luminescent. Fewer examples
May 14, 2023 · Luminescence is a process by which a substance emits light without becoming noticeably heated. The term comes from the Latin word “lumen”, meaning “light.”. In contrast, incandescence is light resulting from heating a material so that it emits blackbody radiation.
the giving out of light by a substance that has not been heated: A variety of lighting elements are used, from LED to chemical luminescence. Compare. incandescence. literary. soft light: The car headlights lit the driveway with a pool of bright luminescence. The table lamp threw a soft luminescence across the chair. See. luminescent. Fewer examples
Luminescence, scientifically speaking, describes a glow or light that's emitted at a cool temperature, rather than one caused by a fire, for example. The Latin root is lumen, or "light." Definitions of luminescence. noun. light not due to incandescence; occurs at low temperatures. synonyms: phosphorescence. see more. noun.
May 14, 2024 · any giving off of light caused by the absorption of radiant or corpuscular energy and not by incandescence; any cold light; specif., fluorescence or phosphorescence occurring in various chemical, biological, electrical, etc. processes at relatively low temperatures. Webster’s New World College Dictionary, 4th Edition.
a quality in something that produces light. Word Origin. Questions about grammar and vocabulary? Find the answers with Practical English Usage online, your indispensable guide to problems in English. See luminescence in the Oxford Advanced American Dictionary. Check pronunciation: luminescence.
