Definition of black light
1
: invisible ultraviolet light
2
: a lamp that radiates black light
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Recent Examples of black light from the Web
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NEON NAMASTE Newbies and yogi masters alike can stretch with abandon during black light yoga at Back Bay’s YogaWorks.
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Attendees will be given supplies to mix their own paint and create a black light painting.
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At the end of the pampering session, a black light revealed glow-in-the-dark fingernails and makeup.
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The giant pyramid dress decorated with sugar skulls that glowed in black light.
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But the newest innovation is the smiley in the center, which only shows up under black light.
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Researchers at Iowa State University have developed a new method of making livestock farms stink less using, in part, a crucial component of basement decor for generations of stoner teens: a black light.
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The researchers then shine a black light on it, which emits long-wave ultraviolet light that look bluish-purple (and make anything white-ish, including your teeth, seem to glow).
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Catch the full episode — including how to make jack-o’-lantern stuffed peppers, roasted butternut squash hummus, caramel apples and a black light cocktail — on Oct. 14 at 10:30 a.m. E.T.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'black light.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of black light
1913
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