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Ultraviolet   /ˌəltrəvˈaɪəlɪt/   Listen
Ultraviolet

adjective
1.
Having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end.  "An ultraviolet lamp"
noun
1.
Radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays.  Synonyms: ultraviolet illumination, ultraviolet light, ultraviolet radiation, UV.



Related searches:
ultraviolet illumination
ultraviolet lamp
ultraviolet light
ultraviolet radiation
ultraviolet source
ultraviolet spectrum


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"Ultraviolet" Quotes from Famous Books



... right. The air-regenerating apparatus had been developed from the aeriating culture-tanks in which antibiotics were grown on Earth. It needed only reseeding with algae—microscopic plants which when supplied with ultraviolet light fed avidly on carbon dioxide and yielded oxygen. The ship was a rather involved combination of essentially simple devices. It could be put back into such workability as it had once ...
— Operation: Outer Space • William Fitzgerald Jenkins
... cubical, and windowless building, with the single word food next to each of the sealed entrances. The small entrance he went through was a series of automatic chambers that cycled him through ultrasonics, ultraviolet, antibio spray, rotating brushes and three final rinses. He was finally admitted, damper but much cleaner to the central area. Men and robots were stacking crates and he asked one of the men for Krannon. The man looked ...
— Deathworld • Harry Harrison
... to parts of the ordinary spectrum, well known in themselves, which we have purposely left out of our study so far. These are the regions of the ultra-violet and the infra-red, invisible in themselves, but forming part of the spectrum as a whole. The ultraviolet manifests through chemical effects, the infra-red through thermal effects. We have left them out of our considerations because these regions of the spectrum differ from the visible part not only quantitatively, as present-day science believes, but qualitatively also, and in a fundamental way. ...
— Man or Matter • Ernst Lehrs
... Yield Note 2: Nuclear Weapons Design Note 3: Radioactivity Note 4: Nuclear Half-Life Note 5: Oxygen, Ozone and Ultraviolet Radiation ...
— Worldwide Effects of Nuclear War: Some Perspectives • United States Arms Control and Disarmament Agency
... purple &c adj.; blue and red, bishop's purple; aniline dyes, gridelin^, amethyst; purpure [Heral.]; heliotrope. lividness, lividity. V. empurple^. Adj. purple, violet, ultraviolet; plum-colored, lavender, lilac, ...
— Roget's Thesaurus of English Words and Phrases: Body • Roget


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