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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 ?
However, case evidence illustrates the value of ultraviolet technology to law enforcement.
Most existing sunscreen lotions block only ultraviolet B rays.
In the tropics, where human ancestors evolved and where both ultraviolet radiations are high throughout the year, natural selection created darkly pigmented individuals to protect against the sun.
Ask insiders like Martin what GALEX's most surprising discovery has been thus far and most point to galaxies whose otherwise dark outer disks are aglow with ultraviolet light from stars that are less than 100 million years old (S&T: November 2005, page 40).
Cassini entered orbit about Saturn last summer, about the same time that Hubble's main ultraviolet detector failed.
For instance, light from an extremely distant galaxy, recorded by an Earth-orbiting telescope as infrared radiation, was originally emitted by the galaxy as ultraviolet light.
Why two ostensibly similar objects should differ to GALEX's ultraviolet eyes is an intriguing question that may find an answer when the data are analyzed.
NIST recently completed the first measurements of the stress-optical coefficients in the ultraviolet near 157 am.
To find the young galaxies, Heckman, Chris Martin of the California Institute of Technology in Pasadena, and their colleagues used the 0.5-meter ultraviolet telescope on the Galaxy Evolution Explorer (GALEX) satellite, which was launched in 2003.