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the part of the electromagnetic spectrum with wavelengths shorter than light but longer than X-rays; in the range 0.4 × 10--6 and 1 × 10--8 metres
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005


Pertaining to ultraviolet radiation. Abbreviated UV.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


(1) See ultraviolet light.

(2) A cloud-based storage locker for licensed content from the Digital Entertainment Content Ecosystem (see DECE). Under the Digital HD brand, purchases of Blu-ray discs with redeemable coupons and purchases of movies and TV shows (not rental) from participating online retailers entitles users to keep their content in the UltraViolet cloud and stream or download it as required.

Depending on the retailer's agreement, content might be sharable with friends and family, and parental access can be applied. A physical disc may also be obtainable. See Digital HD, Blu-ray Combo Pack and media locker.
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References in periodicals archive ?
- Wavelength conversion technology that uses a rotating phosphor wheel that absorbs near-ultraviolet laser light and converts it to red, green and blue luminescent light.
Earlier in 2013, Tian and colleagues found that five of six M dwarfs studied with the Hubble Space Telescope cranked out a thousand times more far-ultraviolet energy, compared with near-ultraviolet, than the Sun does.
Now, for the first time, astronomers using a ground-based telescope have observed near-ultraviolet light from another star's corona.
Upon careful examination, the planet's cloudtops reveal subtle, low-contrast features, especially at near-ultraviolet (UV) wavelengths.
GALEX is doing this by acquiring images in two ultraviolet bands: a far-ultraviolet channel that transmits light with wavelengths near 150 nanometers, and a less energetic near-ultraviolet band centered at 230 nm--across a 1.2?-wide circular field of view.
Using Hubble to take near-ultraviolet images and spectra in late January, he and his colleagues now can measure the concentration of sulfur dioxide at several heights in the planet's cloudy atmosphere.
Northwestern University's LRO Camera consists of two narrowangle cameras with half-meter resolution for landing-site imaging and one wide-angle camera with 100-meter resolution, which will complement the Clementine spacecraft's old green-to-infrared lunar maps with new blue and near-ultraviolet ones.