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ultraviolet

Babylon English English dictionary

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ultraviolet
adj. beyond the rays of the violet end of the visible light spectrum, of or pertaining to ultraviolet light

Wikipedia English The Free Encyclopedia

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Ultraviolet
Ultraviolet (UV) light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than X-rays, that is, in the range between 400 nm and 10 nm, corresponding to photon energies from 3 eV to 124 eV. It is so-named because the spectrum consists of electromagnetic waves with frequencies higher than those that humans identify as the color violet. These frequencies are invisible to most humans except those with Aphakia. Near UV is visible to a number of insects and birds.

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Ultraviolet (disambiguation)
Ultraviolet refers to electromagnetic radiation with a wavelength shorter than that of visible light, but longer than soft X-rays.

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WordNet 2.0 Dictionary

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ultraviolet

Noun
1. radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
(synonym) ultraviolet radiation, ultraviolet light, ultraviolet illumination, UV
(hypernym) actinic radiation, actinic ray
(hyponym) sunray, sun-ray

Adjective
1. having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end; "ultraviolet radiation"; "an ultraviolet lamp"
(similar) invisible, unseeable


Babylon French English dictionary

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ultraviolet
nm. ultraviolet, beyond the rays of the violet end of the visible light spectrum, of or pertaining to ultraviolet light
 
ultraviolet (m)
adj. ultraviolet, beyond the rays of the violet end of the visible light spectrum, of or pertaining to ultraviolet light

Babylon Dutch English dictionary

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ultraviolet
adj. ultraviolet


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