1. the emission of light by a substance that has absorbed light or other electromagnetic radiation
Usage: scientific

Examples

• The fluorescence of the mineral was visible under ultraviolet light.
• Scientists used fluorescence microscopy to study the cells.
• The bright fluorescence made the coral reef glow in the dark water.
• Fluorescence occurs when molecules absorb energy and then emit light.
• The laboratory detected fluorescence in the sample using a special lamp.
• Many highlighter pens work by fluorescence, appearing bright under certain lighting.