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Related to Ultraviolet ray: infrared ray, Gamma rays, visible light


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


Pertaining to ultraviolet radiation. Abbreviated UV.


(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.
References in periodicals archive ?
According to the light wave length it may divide into the ultraviolet ray pollution, the infrared light pollution and the laser pollution and so on.
It's precisely when you can't feel the burn that the sun's ultraviolet rays can cause considerable retinal damage.
Data show hairless mice taking the hyaluronic acid orally for 6 weeks significantly suppressed the decrease of skin moisture and resultant formation of wrinkles under ultraviolet rays.
The sun has ultraviolet rays A, B, and C that can be harmful to the eye.
The researchers also exposed the cell cultures to ultraviolet rays and measured the amount of DNA damage and the rate of its repair, as well as the percent of surviving melanocytes.
Summary: The sun gives light, warmth and energy but along with those benefits come invisible ultraviolet rays that are harmful to the skin.
Even sitting under an umbrella is not the answer, as it still allows 40 per cent of ultraviolet rays to pass through, said Nicosia dermatologist Dr Constantinos Demetriou.
The thin film device could be worn as a wrist band to warn wearers they risk receiving a potentially harmful dose of ultraviolet rays.
The earth's diminishing ozone layer, which filters out less UV light, makes humans more susceptible to ultraviolet rays.
Exposure to the sun's ultraviolet rays damages skin - that's unavoidable, and the reason why fair skin changes colour to give a tan as the pigment melanin is laid down to protect the vulnerable deeper layers.
This chemical gives skin its color and guards against the sun's ultraviolet rays.

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