Word.ws English Dictionary

blacklight

blacklight is the alternative form of black light.

Meaning of black light

Noun

black light (countable and uncountable, plural black lights)

  1. (countable) A light bulb that emits ultraviolet light, usually used to create the illusion that anything white is glowing.
    • Blacklights and a mirrored disco ball
      Every night's another reason why I left it all2020 April 3, Chappell Roan, Dan Nigro, “Pink Pony Club”performed by Chappell Roan
  2. (slang, uncountable) Ultraviolet radiation or light.

Forms of blacklight

pluralblacklights

Origin of blacklight

From black + light.

Questions about blacklight

What is blacklight the alternative form of?
Blacklight is the alternative form of black light.

Words near blacklight in the dictionary

  1. blackletter
  2. blacklettered
  3. blackletters
  4. Blackley
  5. Blackleys
  6. blacklight
  7. blacklights
  8. blackline
  9. blackline tilefish
  10. blackline tilefishes
  11. blacklined

Source and license

Adapted from Wiktionary: blacklight (page history and authors); black light (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “blacklight.” Word.ws, https://word.ws/blacklight. Based on Wiktionary, CC BY-SA 4.0.