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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 ?
Maternal UVB exposure promotes the production of vitamin D, important for normal brain development of a foetus.
She added: "The greatest source of the vitamin for almost all of us comes from exposure to UVB in sunlight."
Sun screens that offer both UVA and UVB protection are sometimes called 'broad spectrum'.
<B It's important to check the label of your sunscreen to make sure it protects you from UVA as well as UVB rays
When cells reached 70–80% confluence, the medium was discarded, and the cells were covered with a thin layer of phosphate-buffered saline (PBS; GIBCO) after being washed with PBS three times and exposed to different doses of UVB (280–320 nm) using Ultraviolet Irradiator SS-03B (Shanghai Sigma High-tech Co., Ltd., China).
UVB exposure induces apoptosis in corneal cells; therefore, we evaluated the effect of nano-AST and other antioxidants on cell death.
The MTS assay (Promega, Madison, WI) was used to assess the effect of UVB on HaCaT cell growth and viability.
It has been revealed that PTEN plays a key function for DNA repair and viability following DNA-damaging UVB radiation [16].
Ultraviolet (LA/) light, consisting of UVA (320-400 nm), UVB (280-320 nm) and UVC (100-280 nm), is one of the most common factors leading to DNA damage and inflammatory responses, consequently resulting in various cutaneous lesions such as photoaging and photocarcinogenesis (Scharffetter-Kochanek et al..
L'Oreal Paris Revitalift Day Cream SPF30, PS8.50, Sainsburys A light, non-greasy cream which hydrates as well as protects skin against harmful UVA and UVB rays.
Vishay VEML6075 UVA and UVB Light Sensors are a single-chip solution using CMOS that incorporates photodiodes, amplifiers, analog/digital circuits, and an I2C interface.