black light

noun

1
: invisible ultraviolet light
2
: a lamp that radiates black light

Examples of black light in a Sentence

Recent Examples on the Web
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.
Guests will be given supplies, and the class will be held inside Pinot’s Palette studio under black lights. Abby Hamblin, San Diego Union-Tribune, 13 May 2026 There are photos taken of bruises and black lights to detect bodily fluids, wet and dry swabs, specialized containers to store all of it that only Dana can touch. Judy Berman, Time, 27 Feb. 2026 Next, with the lights off, Dana runs a black light over Ilana’s body. Tribune News Service, Baltimore Sun, 23 Feb. 2026 Next, with the lights off, Dana runs a black light over Ilana’s body. Senior Television, Los Angeles Times, 20 Feb. 2026 See All Example Sentences for black light

Word History

First Known Use

1913, in the meaning defined at sense 1

Time Traveler
The first known use of black light was in 1913

Browse Nearby Words

Cite this Entry

“Black light.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/black%20light. Accessed 17 May. 2026.

Kids Definition

black light

noun
: invisible ultraviolet or infrared light
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