luminescence

noun

lu·​mi·​nes·​cence ˌlü-mə-ˈne-sᵊn(t)s How to pronounce luminescence (audio)
: the low-temperature emission of light (as by a chemical or physiological process)
also : light produced by luminescence
luminescent adjective

Examples of luminescence in a Sentence

the luminescence of the watch we could see inside the cave even without a flashlight because of the luminescence coming from some of the fungus on the walls
Recent Examples on the Web The spotlight may shine on the actors, but the entire project wouldn’t exist without the luminescence your scripts provide. Remy Blumenfeld, The Hollywood Reporter, 29 June 2024 The top of my head seemed shadowed, hiding from its own luminescence. Hanif Abdurraqib, The New Yorker, 24 Feb. 2024 Second only to Lynskey in luminescence in this movie is Wood, whose Tony named his dog Kevin and specializes in nunchucks and ninja stars. EW.com, 18 Jan. 2024 The primary technique that helped the team hone in on a date range was luminescence dating. Laura Baisas, Popular Science, 10 Jan. 2024 See all Example Sentences for luminescence 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'luminescence.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

International Scientific Vocabulary lumin- + -escence

First Known Use

1889, in the meaning defined above

Time Traveler
The first known use of luminescence was in 1889

Dictionary Entries Near luminescence

Cite this Entry

“Luminescence.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/luminescence. Accessed 22 Jul. 2024.

Kids Definition

luminescence

noun
lu·​mi·​nes·​cence ˌlü-mə-ˈnes-ᵊn(t)s How to pronounce luminescence (audio)
: the giving off of light at low temperatures especially as part of a chemical process (as of the body)
also : such light

Medical Definition

luminescence

noun
lu·​mi·​nes·​cence ˌlü-mə-ˈnes-ᵊn(t)s How to pronounce luminescence (audio)
: the low-temperature emission of light produced especially by physiological processes (as in the firefly), by chemical action, by friction, or by electrical action
also : light produced by luminescence
luminesce intransitive verb
luminesced; luminescing
luminescent adjective

More from Merriam-Webster on luminescence

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