luminescence
the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies.
the light produced by such an emission.
Origin of luminescence
1Other words from luminescence
- lu·mi·nes·cent, adjective
- non·lu·mi·nes·cence, noun
Words Nearby luminescence
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use luminescence in a sentence
The images of the sky at night compares the luminescence of the US and Europe to that of Africa, providing a stark reflection of the fact that New York state alone consumes more energy than 48 countries in Africa.
These Maps Reveal the Profound Progress and Peril of Modern Civilization | Robert Muggah | December 8, 2021 | Singularity HubThe luminescence dates securely placed Mtoto’s burial at 78,000 years ago, making it the oldest known human burial in Africa.
A Cave Site in Kenya’s Forests Reveals the Oldest Human Burial in Africa | Alison Crowther | May 28, 2021 | Singularity HubOn the few occasions I did see the aurora, the photo evidence looked more like a spectral fog than ribbons of luminescence.
The aurora borealis skipped this Alaska photography class. But some swinging light cords saved the night. | Bailey Berg | February 26, 2021 | Washington PostTim said to me, “What if someone took a picture on their iPad and then used this method to turn iPad luminescence into oil paint?”
And, ironically, in the darkness, he sees the luminescence of the jungle around him.
It glowed in the room with a pearly luminescence, and she saw the man's eyes turning to it, drawn as if by magic.
The Link | Alan Edward NourseThe luminescence died; there was no longer light enough to penetrate to his helmet's darkened goggles.
The Great Dome on Mercury | Arthur Leo ZagatHis left hand fell upon Assha's shoulder, turning the man half around as Ross, too, stepped upon the patch of luminescence.
The Time Traders | Andre NortonThen, swiftly as it had come, it was gone, and only a small globe of white luminescence floated above the great hulking machine.
The Last Evolution | John Wood CampbellHungrily the Earth man stared at his distant flash pistols, plainly visible in the luminescence of their fungus bedding.
British Dictionary definitions for luminescence
/ (ˌluːmɪˈnɛsəns) /
physics
the emission of light at low temperatures by any process other than incandescence, such as phosphorescence or chemiluminescence
the light emitted by such a process
Origin of luminescence
1Derived forms of luminescence
- luminescent, adjective
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 luminescence
[ lōō′mə-nĕs′əns ]
The emission of light as a result of the excitation of atoms by energy other than heat. Bioluminescence, fluorescence, and phosphorescence are examples of luminescence that can be produced by biological or chemical processes.
The light produced in this way.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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