[uhl-truh-vahy-uh-lit] 
| 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. |
| 3. | ultraviolet radiation. |
| ul·tra·vi·o·let (ŭl'trə-vī'ə-lĭt) 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 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.
trəˈvaɪ