black light
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black light: see ultraviolet radiation ultraviolet radiation, invisible electromagnetic radiation between visible violet light and X rays; it ranges in wavelength from about 400 to 4 nanometers and in frequency from about 10¹⁵ to 10¹⁷ hertz.
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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.

black light

Invisible ultraviolet electromagnetic energy near the visible spectrum; useful for exciting fluorescent paints, dyes, etc., so that they become visible.

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black light (redirected from Black light lamp)

black light
(redirected from Black light lamp)