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Definition of black light noun from the Oxford Advanced Learner's Dictionary

black light

noun

/ˌblæk ˈlaɪt/

/ˌblæk ˈlaɪt/

[uncountable]

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ultraviolet or infrared rays, which cannot be seen

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See black light in the Oxford Advanced American Dictionary

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Nearby words

adverb

From the Word list

B1

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