Medical Dictionary


noun flu·o·res·cence \-ˈes-ən(t)s\

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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