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black light

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.10 sec.
black light: see ultraviolet radiation UV index predicts how long it would take a light-skinned American to get a sunburn if exposed, unprotected, to the noonday sun, given the geographical location and the local weather.
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black light [′blak ‚līt]
(optics)
Invisible light, such as ultraviolet rays which fall on fluorescent materials and cause them to emit visible light.


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Shopper Maryam Hashemi of Woodland Hills filled a basket with creepy crawlers, black light bulbs, a cauldron and spiders.
Angela Davis and Huey Newton posters stand guard on the walls in an off-campus apartment dimmed by black light.
Except for traditional state-approved ballet and folk dance, as well as a stagnant form of the 1950s dance/puppetry craze known as Black Light Theatre, Czech arts took a severe battering under 50 years of Communist rule.
 
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