ultraviolet
Use Ultraviolet in a sentence
trəˈvaɪ adjective
1.
beyond the violet in the spectrum, corresponding to light having wavelengths shorter than 4000 angstrom units.
2.
pertaining to, producing, or utilizing light having such wavelengths: an ultraviolet lamp.
noun
3.
ultraviolet radiation.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To ultraviolet
Collins
World English Dictionary
ultraviolet (ˌʌltrəˈvaɪəlɪt) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | 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 | |
| 2. | UV of, relating to, or consisting of radiation lying in the ultraviolet: ultraviolet radiation |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Ultraviolet
is always a great word to know.
So is ort. Does it mean:
| a scrap or morsel of food left at a meal. |
| a stew of meat, vegetables, potatoes, etc. |
Etymonline
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
ultraviolet ul·tra·vi·o·let (ŭl'trə-vī'ə-lĭt)
adj.
Abbr. UV, U.V.
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.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
| ultraviolet (ŭl'trə-vī'ə-lĭt) Pronunciation Key
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. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
The injected cells were genetically engineered to glow when exposed to ultraviolet light, for ease of detection.
Ultraviolet radiation of the sun kills pathogens that cause diarrhea.
The lunar surface also gets harsh treatment from meteorite impacts, ultraviolet rays, and other sources.
Whatever product you use should emit only visible light, because ultraviolet light damages the eyes.
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