blacklight

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A form of black light — A light bulb that emits ultraviolet light, usually used to create the illusion that anything white is glowing.

Less commonScrabble 22
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Meanings

nounblacklight (plural blacklights)

plural blacklights

  1. alternativeAlternative form of black light (“ultraviolet bulb”).

Synonyms & antonyms

Also see
ultraviolet light

Origin

From black + light.

Full word history & related roots →
Cite this entry
APA

blacklight. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/blacklight

MLA

“blacklight.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/blacklight. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “blacklight,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/blacklight.

Source: blacklight on Wiktionary, CC BY-SA 4.0.