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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"
The meaning of LUMINESCENCE is the low-temperature emission of light (as by a chemical or physiological process); also : light produced by luminescence. How to use luminescence in a sentence.
Luminescence, emission of light by certain materials when they are relatively cool. It is in contrast to light emitted from incandescent bodies, such as burning wood or coal, molten iron, and wire heated by an electric current. Luminescence may be seen in neon and fluorescent lamps; television,
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.
LUMINESCENCE definition: 1. the giving out of light by a substance that has not been heated: 2. soft light: 3. the giving…. Learn more.
May 14, 2023 · Luminescence is emission of light without appreciable heat. 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.
Luminescence is a spontaneous emission of radiation from an electronically or vibrationally excited species not in thermal equilibrium with its environment. ... As the definition does not fully describe the phenomenon, quantum mechanics is employed where it is defined as there is a change in spin multiplicity from the state of excitation to the ...
luminescence: 1 n light not due to incandescence; occurs at low temperatures Types: bioluminescence luminescence produced by physiological processes (as in the firefly) chemiluminescence luminescence resulting from a chemical reaction as the oxidation of luciferin in fireflies Type of: light , visible light , visible radiation (physics) ...
LUMINESCENCE meaning: 1. the giving out of light by a substance that has not been heated: 2. soft light: 3. the giving…. Learn more.
Define luminescence. luminescence synonyms, luminescence pronunciation, luminescence translation, English dictionary definition of luminescence. n. 1. The emission of light that does not derive energy from the temperature of the emitting body, as in phosphorescence, fluorescence, and bioluminescence....
Definition of luminescence noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
