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black light

invisible infrared or ultraviolet light.
Origin of black light
1925-30 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for black-light
Historical Examples
  • Gangs of air conditioners were dressed blue, electricians white, black-light specialists in purple, radionics men in orange.

    The Brain Alexander Blade
  • They had been allowed to force their way into the sealed level and were there caught in a black-light trap.

    Legacy James H Schmitz
British Dictionary definitions for black-light

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
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black-light in Science
black light  
Invisible ultraviolet radiation. Black light causes certain fluorescent materials to emit visible light.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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