black light


Definition of black light

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

Examples of black light in a Sentence

Recent Examples on the Web The space on the second floor (Suite 200) features a practice robot, which collects and shoots balls, but does not hit them back, and a table with lines and net that glow under black light. Jesse Leavenworth,, "King Pong, a new ping pong hall, opens in Middletown," 2 Apr. 2021 Ideal for illuminating most reactive pigments, paints and dyes with black light. Maren Estrada, BGR, "These 10 hidden Amazon deals are for Prime subscribers only," 24 Mar. 2021 Each 10-inch doll comes with 15 surprises, including clothing, accessories, and a black light to show off her unique style. Lindsey Hunter Lopez, USA TODAY, "27 best Easter gifts for kids," 13 Mar. 2021 Mouse urine fluoresces in UV light, so shining a black light around can show where the rodents pee. Adam Hadhazy, Popular Mechanics, "How to Get Rid of Mice in Your Home," 9 Mar. 2021 Around him are only the bare essentials: a tissue box, cat, laptop, sketchbook, and a blanket on a floor that is always cold, all illuminated by a single black light bulb. Julie Fukunaga, Wired, "Omori Is the Horror RPG of Your Dreams (or Nightmares)," 12 Jan. 2021 In October, researchers reported that the already perplexing animals fluoresce a psychedelic blue-green color under black light. New York Times, "More Mammals Are Hiding Their Secret Glow," 18 Dec. 2020 The vials are also embedded with identifiers visible under black light to prevent counterfeiting. Daniel Tenreiro, National Review, "The Capital Note: COVID-19 Vaccine Developed at Historic Speed," 16 Nov. 2020 The mechanism that can make Europa's ice glow is a bit like what's used by a black light poster. John Timmer, Ars Technica, "Europa probably glows in the dark, and that may tell us what’s in it," 10 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'black light.' 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 black light

1913, in the meaning defined at sense 1

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Time Traveler for black light

Time Traveler

The first known use of black light was in 1913

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Statistics for black light

Last Updated

7 Apr 2021

Cite this Entry

“Black light.” Dictionary, Merriam-Webster, Accessed 14 Apr. 2021.

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