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- DictionaryPhos·pho·res·cence/ˌfäsfəˈres(ə)ns/
noun
- 1. light emitted by a substance without combustion or perceptible heat: "the stones overhead gleamed with phosphorescence"
Jan 11, 2020 · Phosphorescence is luminescence that occurs when energy is supplied by electromagnetic radiation, usually ultraviolet light. The energy source kicks an electron of an atom from a lower energy state into an "excited" higher energy state; then the electron releases the energy in the form of visible light (luminescence) when it falls back to a ...
PHOSPHORESCENCE definition: 1. a kind of weak light that is created in the dark without noticeable heat: 2. a kind of weak…. Learn more.
Phosphorescence, emission of light from a substance exposed to radiation and persisting as an afterglow after the exciting radiation has been removed. Unlike fluorescence, in which the absorbed light is spontaneously emitted about 10-8 second after excitation, phosphorescence requires additional.
Phosphorescence definition: the property of being luminous at temperatures below incandescence, as from slow oxidation in the case of phosphorus or after exposure to light or other radiation.. See examples of PHOSPHORESCENCE used in a sentence.
PHOSPHORESCENCE meaning: 1. a kind of weak light that is created in the dark without noticeable heat: 2. a kind of weak…. Learn more.
Apr 16, 2022 · Unlike florescence, phosphorescence does not re-emit the light immediately. Instead, phosphorescence releases light very slowly in the dark due to its energy transition state. When light such as ultraviolet light is shined upon a glow in dark object, the object emits light, creating phosphorescence.
noun. /ˌfɒsfəˈresns/ /ˌfɑːsfəˈresns/ [uncountable] (specialist) light produced without heat or with so little heat that it cannot be felt. Take your English to the next level. The Oxford Learner’s Thesaurus explains the difference between groups of similar words. Try it for free as part of the Oxford Advanced Learner’s Dictionary app.
