black light

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See also: blacklight

English

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English Wikipedia has an article on:
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Alternative forms

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Etymology

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

Pronunciation

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Noun

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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/light

Synonyms

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Hypernyms

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Translations

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