the property of being luminous at temperatures below incandescence, as from slow oxidation in the case of phosphorus or after exposure to light or other radiation.
a luminous appearance resulting from this.
any luminous radiation emitted from a substance after the removal of the exciting agent.
- sem·i·phos·pho·res·cence, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use phosphorescence in a sentence
The color of the phosphorescence differs in the sexes, and its intensity varies with the age and temperament.Urania | Camille Flammarion
The water gleamed with phosphorescence, and the yacht Spray left a wake of gleaming silver and gold and flashing jewels.The Rival Campers | Ruel Perley Smith
Urgent as the situation was, he stood for a few moments meditative, contemplating the phosphorescence of the waves.Toilers of the Sea | Victor Hugo
That is phosphorescence, which is very common in tropical seas, sometimes the whole sea is alight with it.Round the Wonderful World | G. E. Mitton
There is no light in these depths: they make it with their own phosphorescence.Astronomy for Amateurs | Camille Flammarion
British Dictionary definitions for phosphorescence
a fluorescence that persists after the bombarding radiation producing it has stopped
a fluorescence for which the average lifetime of the excited atoms is greater than 10 –8 seconds
the light emitted in phosphorescence
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for phosphorescence
The emission of light by a substance as a result of having absorbed energy from a form of electromagnetic radiation, such as visible light or x-rays. Unlike fluorescence, phosphorescence continues for a short while after the source of radiation is removed. Glow-in-the-dark products are phosphorescent. Compare fluorescence.
The light produced in this way.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.