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black light

noun

Definition of black light

1 :invisible ultraviolet light
2 :a lamp that radiates black light

See black light defined for kids

From the M-W Editors

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First Known Use of black light

1913

Learn More about black light

  1. See words that rhyme with black light

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black light

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Words at Play

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Silent Letters

When each letter can be seen but not heard

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Nobody is immune to this question.

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Its recent usage is hard to shrug off.

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