invisible infrared or ultraviolet light.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use black light in a sentence
The Upper East Side location also boasts a black light and disco ball.SoulCycle Is a Booming Exercise Chain for the 1 Percent | Filipa Ioannou | July 19, 2013 | THE DAILY BEAST
Does it stand the test of time, or is it just an effect, like the black light?
No visible light came from those bulbs—only "black light" as it is called.
In the black light, luminous fingers suddenly showed themselves.
I bought the Emma Goldman poster on the way home and stuck it up over my desk, tacked over a vintage black-light poster.Little Brother | Cory Doctorow
British Dictionary definitions for black light
the invisible electromagnetic radiation in the ultraviolet and infrared regions of the spectrum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for black light
Invisible ultraviolet radiation. Black light causes certain fluorescent materials to emit visible light.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.