Definition of fluoresce
: to produce, undergo, or exhibit fluorescence
Recent Examples of fluoresce from the Web
This process works because the collagen in the parchment fluoresces a soft blue color under near-ultraviolet illumination.
Imagine a softly glowing world, inhabited by a multitude of species that fluoresce in response to their star’s violent outbursts.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fluoresce.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of fluoresce
back-formation from fluorescence
First Known Use: 1874See Words from the same year
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