black light
Americannoun
noun
Etymology
Origin of black light
First recorded in 1925–30
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“It opened with a subway shot and when the screen went dark, she had a black light that showed up all the graffiti and I was like, ‘Who is this?
From Los Angeles Times ● Nov. 19, 2025
When they shine a black light on the coral, organic compounds in the coral cause it to fluoresce.
From Science Daily ● Mar. 18, 2024
The term “uranium glass” generally describes glass with uranium oxide, which glows under a black light.
From Washington Post ● Oct. 11, 2022
Prakrit Jain of Los Altos and Harper Forbes of Sunnyvale traveled to dry lakes in California last year to collect scorpion specimens using a black light.
From New York Times ● Sep. 20, 2022
She told her godmother what happened in her channellors class with Dr. Bearden, describing the black light and its violet and white core.
From "The Marvellers" by Dhonielle Clayton
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
