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 Check out this schedule for black light mine tours in 2022. Jennifer Nalewicki, Smithsonian Magazine, 12 Apr. 2022 Many early pieces will glow eerily green when placed under a black light, a telltale sign the glass contains uranium. Jessica Bennett, Better Homes & Gardens, 18 Mar. 2022 The film’s candy collars begin to pull and blur, the scene acquiring the feel of a black light painting found in an ‘80s dorm room. Ben Croll, Variety, 9 Mar. 2022 Simmers said that state police brought in an expert to use an ultraviolet black light to detect bodily fluids in the area Betsy had been found. NBC News, 28 Nov. 2021 Phosphorescent black light murals inside the venue showcase historical scenes. Madison Iszler, San Antonio Express-News, 4 Nov. 2021 Its towering 86-foot tall sign features more than 1,000 cold cathode neon lights, while inside the theater, phosphorescent black light murals highlight scenes of Texas and Mexico history. René A. Guzman, San Antonio Express-News, 6 Oct. 2021 The best way to find a leak is with ultraviolet dye and a black light. Motormouth Bob Weber, Star Tribune, 30 July 2021 Thomas and Mariah Pisha-Duffly, is a culinary love letter to Thomas's grandmother offering playful spins on Singaporean and Malaysian street food in an eclectic space decked out with wallpaper by local artist Kate Blairstone and black light posters. Katie Chang, Travel + Leisure, 13 Sep. 2021 See More

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.

First Known Use of black light

1913, in the meaning defined at sense 1

Buying Guide

Our Reviews team has selected the best homekit devices.

Learn More About black light

Time Traveler for black light

Time Traveler

The first known use of black light was in 1913

See more words from the same year

Dictionary Entries Near black light

black ligament

black light

blacklight trap

See More Nearby Entries 

Statistics for black light

Last Updated

1 May 2022

Cite this Entry

“Black light.” Dictionary, Merriam-Webster, Accessed 16 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!