phosphorescence
/ˌfɒsfəˈrɛs(ə)ns
/noun [mass noun]
1Light emitted by a substance without combustion or perceptible heat: the stones overhead gleamed with phosphorescence...
- Another boat chugged past and at that moment our world exploded in hissing silvery blue, the sea whisking and shining in a turmoil of a bustle of fish and phosphorescence, like coins gleaming in a dark, still pool.
- A large cavern, lit only by the faintest glimmer of phosphorescence, was exposed, a vast lake in the centre.
- Since that time, phosphorescence has been used to describe substances that shine in the dark without burning.
1.1 Physics The emission of radiation in a similar manner to fluorescence but on a longer timescale, so that emission continues after excitation ceases.Thermoluminescence is phosphorescence of a material due to heating....
- One piece of ore that missed the smelter contained some secondary willemite with a very long phosphorescence.
- The high degree of iodine substitution in this aromatic molecule facilitates intersystem crossing, and rose bengal exhibits significant phosphorescence.
Derivatives
phosphorescent
/ adjective ...- Of course, the use of electrons, photons, phosphorescent light and fluorescence microscopy largely remain a mystery to me, but not because their capacity for imaging is itself mysterious.
- Many diamonds are fluorescent and phosphorescent under ultraviolet radiation.
- All barites that fluoresce are phosphorescent for variable lengths of time after extended ultraviolet radiation exposure.