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| ul·tra·vi·o·let [ ùltrə v ələt ] |
adjective |
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| Definition: |
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relating to invisible light: relating to or producing electromagnetic radiation of wavelengths from about 5 to about 400 nanometers, beyond the violet end of the visible light spectrum
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noun (plural ul·tra·vi·o·lets) |
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| Definition: |
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1. ultraviolet lamp: a lamp or bulb that emits ultraviolet radiation
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2. ultraviolet radiation: radiation with ultraviolet wavelengths. Radiation of this kind is a component of sunlight and is the light that makes exposed skin become darker.
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