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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"
noun. phos· pho· res· cence ˌfäs-fə-ˈre-sᵊn (t)s. 1. : luminescence that is caused by the absorption of radiations (such as light or electrons) and continues for a noticeable time after these radiations have stopped compare fluorescence. 2. : an enduring luminescence without sensible heat. Examples of phosphorescence in a Sentence.
Apr 14, 2020 · Phosphorescence is light released by matter after exposure to 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 lower ...
In simple terms, phosphorescence is a process in which energy absorbed by a substance is released relatively slowly in the form of light. This is in some cases the mechanism used for glow-in-the-dark materials which are "charged" by exposure to light.
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: 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, emission of light from a substance exposed to radiation and persisting as an afterglow after the exciting radiation has been removed.
PHOSPHORESCENCE definition: 1. a kind of weak light that is created in the dark without noticeable heat: 2. a kind of weak…. Learn more.
May 10, 2022 · Phosphorescence is a radiative transition process in which light is emitted from T 1 (excited triplet state) to S o (ground singlet state) with a change in spin multiplicity. When certain substances are exposed to light, they stop emitting light instantly after the light source is cut off.
noun [ U ] us / ˌfɑːs.fəˈres. ə ns / uk / ˌfɒs.f ə rˈes. ə ns / Add to word list. a kind of weak light that is created in the dark without noticeable heat: In mines and natural caves we find a species of fungus that emits an intense phosphorescence.
Definition of phosphorescence noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
