WebFluorescence definition, the emission of radiation, especially of visible light, by a substance during exposure to external radiation, as light or x-rays. See more. WebBritannica Dictionary definition of PHOSPHORESCENT. technical. : of or relating to a type of light that glows softly in the dark and that does not produce heat. a phosphorescent glow.
Photophosphorescence Definition & Meaning - Merriam-Webster
WebApr 15, 2024 · The luminescence phenomenon is described as the emission of electromagnetic radiation in excess of thermal radiation. In most cases, the emitted radiation occurs within the visible range, even though ultraviolet emission and infrared emission were also observed [].Luminescence is traditionally divided according to the … WebThe meaning of FLUORESCENCE is luminescence that is caused by the absorption of radiation at one wavelength followed by nearly immediate reradiation usually at a different wavelength and that ceases almost at once when the incident radiation stops; also : the radiation emitted. highland dr chester heights
Luminescence, fluorescence, and phosphorescence
Webphos•pho•res•cence (ˌfɒs fəˈrɛs əns) n. 1. the property of being luminous at temperatures below incandescence, as from slow oxidation or after exposure to light or other radiation. 2. a luminous appearance resulting from this. 3. any luminous radiation emitted from a substance after the removal of the exciting agent. phos`pho•res′cent, adj. Webphosphorescence noun [ U ] uk / ˌfɒs.f ə rˈes. ə ns / us / ˌfɑːs.fəˈres. ə ns / a kind of weak light that is created in the dark without noticeable heat: In mines and natural caves we … WebBritannica Dictionary definition of PHOSPHORESCENT technical : of or relating to a type of light that glows softly in the dark and that does not produce heat a phosphorescent glow — phosphorescence /ˌfɑːsfə ˈrɛsn̩s/ noun, technical [noncount] Some sea creatures exhibit phosphorescence. how is chrishell doing