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.
This insider will not only remain a secret to the staff, but will also help Ramsay infiltrate the restaurant after-hours for a dramatic nighttime black light kitchen investigation that reveals more filth and grossness than ever before. Marc Berman, Forbes.com, 10 Apr. 2025 Its rock and mineral formations also boast a unique chemistry that fluoresces when exposed to black light, according to talks presented at the spring meeting of the American Chemical Society in San Diego. ArsTechnica, 31 Mar. 2025 Although some posters online have suggested the streetlamp are emitting ultraviolet or black light, that's incorrect, Davis said. Elizabeth Weise, USA Today, 29 Mar. 2025 Visit early to see the animals and don't miss the nightly performances of Madcap Puppets' black light puppet shows. Luann Gibbs, The Enquirer, 1 Jan. 2025 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

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Cite this Entry

“Black light.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/black%20light. Accessed 27 Apr. 2025.

Kids Definition

black light

noun
: invisible ultraviolet or infrared light
Last Updated: - Updated example sentences
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