Dictionary

fluorescence

noun fluo·res·cence \-ˈre-sən(t)s\

Definition of FLUORESCENCE

:  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 — compare phosphorescence

Examples of FLUORESCENCE

  1. <studied the fluorescence of certain elements>

Origin of FLUORESCENCE

fluorspar + opalescence
First Known Use: 1852

fluorescence

noun flu·o·res·cence \-ˈes-ən(t)s\   (Medical Dictionary)

Medical Definition of FLUORESCENCE

:  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 immediately when the incident radiation stops; also :  the radiation emitted
flu·o·res·cent \-ˈes-ənt\ adjective

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