phos·​pho·​res·​cent | \ ˌfäs-fə-ˈre-sᵊnt How to pronounce phosphorescent (audio) \

Definition of phosphorescent

: exhibiting phosphorescence

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Other Words from phosphorescent

phosphorescently adverb

Examples of phosphorescent in a Sentence

Recent Examples on the Web Luminostics specializes in phosphorescent materials that glow in the dark, and the hope is that the test results could be easily viewed at home using just a smartphone and an attachment that blocks out light. Tien Nguyen, Smithsonian Magazine, "Scientists Are Racing to Develop Paper-Based Tests for Covid-19," 25 Aug. 2020 The eponymous story from A Bright Green Field describes a steep meadow of monstrous, fast-growing, phosphorescent grass mowed by unskilled workers drawn across its surface by ropes and pulleys. Lidija Haas, Harper's magazine, "New Books," 20 Jan. 2020 Let’s hope it’s those hideous phosphorescent uniforms Michigan State wore last week. Jeremy Cluff, azcentral, "ASU football vs. Michigan State picks, predictions: Arizona State a big underdog on road," 9 Sep. 2019 Vieques Best known for Mosquito Bay, whose waters glitter at night with phosphorescent algae at night, this lush, placid island also has wild horses, deserted beaches and nearly 18,000 acres of National Wildlife Preserve. Sara Clemence, WSJ, "Puerto Rico on the Rebound: A Three-Day Getaway Guide," 26 Dec. 2018 Brendal, who’s led tours every day for more than 30 years, brought our group to a stunning reef filled with phosphorescent fish, purple fan coral, and even a black-tip shark. Caroline Picard, Good Housekeeping, "How to Vacation Like the Royal Family in the Bahamas," 30 Aug. 2018 Even the art installation in Phase 2 — which includes phosphorescent phases of the moon designed by Nobuhu Nagasawa — is relaxing. Helene Stapinski, New York Times, "On the Resilient Waterfront," 31 May 2018 Or the river, whose water smelled like rust and whose eddies trapped phosphorescent galaxies of undissolved fertilizer. Will Mackin, The New Yorker, "Crossing the River No Name," 5 June 2017 A set of what looked like elongated floodlights turned on, phosphorescent green dots blinking in neat grids on their surfaces. Adam Davidson, The New Yorker, "Christopher Strachey’s Nineteen-Fifties Love Machine," 14 Feb. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'phosphorescent.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of phosphorescent

1767, in the meaning defined above

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Time Traveler for phosphorescent

Time Traveler

The first known use of phosphorescent was in 1767

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Cite this Entry

“Phosphorescent.” Dictionary, Merriam-Webster, Accessed 26 Feb. 2021.

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More Definitions for phosphorescent



English Language Learners Definition of phosphorescent

technical : of or relating to a type of light that glows softly in the dark and that does not produce heat


phos·​pho·​res·​cent | \ -ᵊnt How to pronounce phosphorescent (audio) \

Medical Definition of phosphorescent

: exhibiting phosphorescence

More from Merriam-Webster on phosphorescent

Nglish: Translation of phosphorescent for Spanish Speakers

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