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ultraviolet
(redirected from Ultraviolet ray)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
ul·tra·vi·o·let  (ltr-v-lt)
adj. Abbr. UV
Of or relating to the range of invisible radiation wavelengths from about 4 nanometers, on the border of the x-ray region, to about 380 nanometers, just beyond the violet in the visible spectrum.
n.
Ultraviolet light or the ultraviolet part of the spectrum.

ultraviolet [ˌʌltrəˈvaɪəlɪt]
n
(Physics / General Physics) the part of the electromagnetic spectrum with wavelengths shorter than light but longer than X-rays; in the range 0.4 ✕ 10-6 and 1 ✕ 10-8 metres
adj
(Physics / General Physics) of, relating to, or consisting of radiation lying in the ultraviolet ultraviolet radiation Abbreviation UV

ultraviolet  (ltr-v-lt)
Adjective
Relating to electromagnetic radiation having frequencies higher than those of visible light but lower than those of x-rays, approximately 1015-1016 hertz. Some animals, such as bees, are capable of seeing ultraviolet radiation invisible to the human eye. See more at electromagnetic spectrum.
Noun
Ultraviolet light or the ultraviolet part of the spectrum. See Note at infrared.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.ultraviolet - radiation lying in the ultraviolet rangeultraviolet - radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
actinic radiation, actinic ray - electromagnetic radiation that can produce photochemical reactions
sun-ray, sunray - a ray of artificial ultraviolet light from a sunray lamp
Adj.1.ultraviolet - having or employing wavelengths shorter than light but longer than X-raysultraviolet - 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"
invisible, unseeable - impossible or nearly impossible to see; imperceptible by the eye; "the invisible man"; "invisible rays"; "an invisible hinge"; "invisible mending"
Translations
ultraviolet [ˈʌltrəˈvaɪəlɪt]
A. ADJultravioleta inv
B. CPD ultraviolet light Nluz f ultravioleta
ultraviolet radiation Nradiación f ultravioleta
ultraviolet rays NPLrayos mpl ultravioleta
ultraviolet treatment Ntratamiento m de onda ultravioleta

ultraviolet [ˌʌltrəˈvaɪələt] adj [rays] → ultraviolet(te); [lamp] → à UV

ultraviolet [ˌʌltrəˈvaɪəlɪt] adjultravioletto/a

ultraviolet
adj ultraviolet [altrəˈvaiəlit]
(of light) consisting of rays from the invisible part of the spectrum beyond the purple, that have an effect on the skin, eg causing suntan. ultraviolet فَوْق البَنَفْسَجي ултравиолетов ultrafialový ultraviolet das Ultraviolett υπεριώδης ultravioleta ultraviolett- فرابنفش ultravioletti- ultraviolet אוּלטָרה-סָגוֹל पराबैगनी ultraljubičast ibolyántúli útfjólublár ultravioletto 紫外線の 자외(선)의 ultravioletinis ultraviolets ultralembayung ultraviolet ultrafiolett ultrafioletowy, nadfioletowy ultravioleta ultraviolet ультрафиолетовый ultrafialový ultravioleten ultraljubičast ultraviolett เกี่ยวกับรังสีอัลตราไวโอเลต mor ötesi 紫外線的 ультрафіолетовий بالائے بنفشي، روشني thuộc tia tử ngoại 线


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t realize is that by wearing just about any pricey shades in the present weather, will not necessarily give her the requisite protection from the harmful ultraviolet rays of the sun and she just might do herself more harm than good.
Summary: The sun gives light, warmth and energy but along with those benefits come invisible ultraviolet rays that are harmful to the skin.
Scientists said over-exposure to the sun's ultraviolet rays causes at least two thirds of all malignant tumours.
 
 
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