Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Invisible ultraviolet or infrared radiation. Black light causes fluorescent materials to emit visible light and is used to take pictures in the dark.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Light bulb that emits ultraviolet light, usually used to create the illusion that anything white is glowing.

Etymologies

Sorry, no etymologies found.

Support

Help support Wordnik (and make this page ad-free) by adopting the word black light.

Examples

    Sorry, no example sentences found.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.

  • Merriam-Webster Dictionary:

    noun

    Date: 1927

    invisible ultraviolet light

    February 4, 2008