| Pronunciation: | | `ultru'vIulit
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 WordNet Dictionary |
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| | Definition: | |
- [n] radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
- [adj] having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end; "ultraviolet radiation"; "an ultraviolet lamp"
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ULTRAVIOLET is a 11 letter word that starts with U. |
| | Synonyms: | | invisible, ultraviolet illumination, ultraviolet light, ultraviolet radiation, unseeable, UV |
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| | See Also: | | actinic radiation, actinic ray |
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| Webster's 1913 Dictionary |
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| | Definition: | | \Ul`tra*vi"o*let\, a. [Pref. ultra- + violet.]
(Physics)
Lying outside the visible spectrum at its violet end; -- said
of rays more refrangible than the extreme violet rays of the
spectrum.
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