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- DictionaryLu·mi·nes·cent/ˌlo͞oməˈnes(ə)nt/
adjective
- 1. emitting light not caused by heat: "the team is developing a transparent luminescent solar concentrator"
(of a substance) producing light without being heated: Bacteria produce distinctive, luminescent signals as detected by a photometer. literary. seeming to shine: A selection of Duwek's luminescent work printed on canvas is on display until Saturday at the gallery in Atlanta. Fewer examples.
Things that glow in the dark, like the reflective safety strip on your dog's leash or the numbers on your alarm clock, are luminescent. Other luminescent things include light bulbs, the stars in the night sky, glow worms, and certain glowing jellyfish and other sea creatures.
Apr 21, 2024 · LUMINESCENT definition: of, exhibiting , or capable of exhibiting luminescence | Meaning, pronunciation, translations and examples.
Definition of luminescent adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
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, 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 is the "spontaneous emission of radiation from an electronically excited species (or from a vibrationally excited species) not in thermal equilibrium with its environment", according to the IUPAC definition. A luminescent object is emitting "cold light", in contrast to "incandescence", where an object only emits light after heating.
