Ultraviolet meaning

ŭltrə-vīə-lĭt
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.
adjective
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Ultraviolet is defined as radiation with wavelengths shorter than visible light.

An example of ultraviolet is a radiation wavelength of up to 400 nanometers.

noun
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Of or relating to electromagnetic radiation between violet visible light and x-rays in the electromagnetic spectrum, having frequencies between 790 terahertz and 30 petahertz and wavelengths between 380 nanometers and 10 nanometers.
adjective
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The ultraviolet range of electromagnetic radiation.

Sunburns result from radiation in the ultraviolet.

noun
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Pertaining to a band of electromagnetic radiation having wavelengths (from c. 5 to c. 400 nanometers) that are shorter than violet light.
adjective
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Of, pertaining to, or producing radiation of such wavelengths.
adjective
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Ultraviolet radiation.
noun
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Ultraviolet light or the ultraviolet part of the spectrum.
noun
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See UV.
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Of electromagnetic radiation beyond (higher in frequency than) light visible to the human eye; radiation with wavelengths from 380 nanometre - 10 nanometre.
adjective
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Ultraviolet colour.
noun
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The definition of ultraviolet is relating to electromagnetic radiation with wavelengths shorter than visible light.

An example of something ultraviolet is "ultraviolet light" an electromagnetic radiation with a wavelength of up to 400 nanometers.

adjective
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Of or relating to a light bulb that emits ultraviolet radiation.
adjective
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Origin of ultraviolet

  • ultra- +"Ž violet

    From Wiktionary

Ultraviolet Sentence Examples

  • Sunscreens for plants protects them from ultraviolet and infrared radiation.

  • Ultraviolet rays (UV) are an invisible form of radiation found in sunlight, and over-exposure to UV light can cause significant eye damage, resulting in a loss of vision, and the possible formation of cataracts.

  • Instead, they absorb ultraviolet photons from hot stars which are near or embedded in the nebula.

  • The UVOT detected afterglows from these two bursts in optical light, but not significantly in ultraviolet.

  • The sun's ultraviolet rays are still bearing down on you.

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Words near ultraviolet in the Dictionary