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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 ?
1 mi SSW Lakeshore, 12 August, 1 specimen, at black light.
Calosoma scrutator (F.) PCI, 24 April, 1 specimen, at black light. 1 mi SSW Lakeshore, 23 June, 1 specimen, at black light.
The four "marsh" specimens of this very uncommon species were captured at a black light placed in a Distichlis meadow They were not actually captured in the pan of alcohol, but were found running on the wet surface of the soil near and under the pan.
Occasionally specimens were collected as they ran on paths through grass at dusk, but most were taken at a black light run near the largest brackish pond near the middle of the island.
Commonly taken in pitfall traps and at black light.
PCI, 23 June-15 August, 3 specimens, at black light.
PCI, 24 April, 10 May, 2 specimens, at black light.
They appear intensely white in the presence of black lights. So, if you head to Cosmic Bowling, wear your whitest shirt and smile a lot!
But phosphorescent atoms get their UV rays from regular lightbulbs or sunlight, not from black lights. They also hold onto the energy longer and emit it over a longer period of time.