Definition, Meaning & Synonyms

fluorescence

noun

/flʊəˈrɛs.əns/

Definition

Fluorescence is the process in which a substance absorbs light or other electromagnetic radiation and then emits light of a longer wavelength.

Examples

The bright colors of some highlighters are due to their fluorescence under UV light.
Many marine animals exhibit fluorescence, helping them to attract mates or communicate.
The fluorescence of the minerals in the cave made the walls sparkle brilliantly.

Meaning

It refers to the immediate emission of light by a substance after it absorbs light or radiation, a phenomenon commonly observed in minerals, organic compounds, and certain dyes.