-
- To save this word, you'll need to log in.
phosphorescence
noun
phos·pho·res·cence
ˌfäs-fə-ˈre-sᵊn(t)s
1
: luminescence that is caused by the absorption of radiations (such as light or electrons) and continues for a noticeable time after these radiations have stopped compare fluorescence
2
: an enduring luminescence without sensible heat
Examples of phosphorescence in a Sentence
Recent Examples on the Web
The sun had set, but now the lake was full of phosphorescence so all the movement in the water left sparkling tracers.
—
Hazlitt, 13 Nov. 2024
The paintings are unnervingly picturesque: brilliant poppies against the violet-blue of a French afternoon, translucent ice floes glistening in the aquamarine waters of the Arctic, backlit palm trees in the eerie orange phosphorescence of a desert storm.
—
Nicola Twilley, The New Yorker, 5 Oct. 2023
The vaporous mist of the morning dew is really the phosphorescence of toxic radiation.
—
Jeff Weiss, Spin, 21 Aug. 2023
Sure enough, phosphorescence lights the way.
—
Lauren Puckett-Pope, ELLE, 25 Feb. 2023
In general, phosphorescence signals are much longer-lasting than their fluorescent counterparts, allowing the Biofinder to distinguish between them.
—
Allison Gasparini, Scientific American, 27 July 2022
Abiotic minerals also emit their own light, called phosphorescence.
—
Allison Gasparini, Scientific American, 27 July 2022
Unlike sparkling dinoflagellates, bioluminescent bacteria produce a constant phosphorescence.
—
Grrlscientist, Forbes, 11 July 2022
Last was the stadium wave and sparkling light rolled around Bryant-Denny like phosphorescence in a boat wake.
—
Joseph Goodman | Jgoodman@al.com, al, 20 Nov. 2021
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
First Known Use
1770, in the meaning defined at sense 2
Dictionary Entries Near phosphorescence
Cite this Entry
“Phosphorescence.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phosphorescence. Accessed 9 Feb. 2025.
Kids Definition
phosphorescence
noun
phos·pho·res·cence
ˌfäs-fə-ˈres-ᵊn(t)s
1
: a light given off at low temperatures that is caused by the absorption of radiations (as X-rays or ultraviolet light) and continuing for a noticeable time after these radiations have stopped
2
: an enduring light given off with little heat
Medical Definition
phosphorescence
noun
phos·pho·res·cence
-ˈres-ᵊn(t)s
1
: luminescence that is caused by the absorption of radiation at one wavelength followed by delayed reradiation at a different wavelength and that continues for a noticeable time after the incident radiation stops
2
: an enduring luminescence without sensible heat
More from Merriam-Webster on phosphorescence
Nglish: Translation of phosphorescence for Spanish Speakers
Britannica.com: Encyclopedia article about phosphorescence
Love words? Need even more definitions?
Merriam-Webster unabridged
Share