black light

See also: blacklight

English

Alternative forms

Etymology

From black +‎ light, since ultraviolet light is invisible to the human eye.

Pronunciation

  • Audio (General Australian):(file)

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.
  2. (uncountable, slang) Ultraviolet radiation or light.

Synonyms

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Translations

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