The definition of ultraviolet is relating to electromagnetic radiation with wavelengths shorter than visible light.(adjective)
An example of something ultraviolet is "ultraviolet light" an electromagnetic radiation with a wavelength of up to 400 nanometers.
Ultraviolet is defined as radiation with wavelengths shorter than visible light.(noun)
An example of ultraviolet is a radiation wavelength of up to 400 nanometers.
See ultraviolet in Webster's New World College Dictionary
See ultraviolet in American Heritage Dictionary 4
adjective Abbr. UV
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