from The American Heritage® Dictionary of the English Language, 4th Edition
- abbr. ultraviolet
from Wiktionary, Creative Commons Attribution/Share-Alike License
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
Sorry, no etymologies found.
•UV protection: Wear only sunglasses that offer UV 400 - or 99 to 100 percent - protection against UVA and UVB rays.
•UV protection: Wear only sunglasses that offer UV 400 — or 99 to 100 percent — protection against UVA and UVB rays.
UV is a concern when duck hunting but even then how do we know that.
First they are made of natural materials, as the leaves are pressure washed, sanitized in UV light, and then pressed into their forms without using additives.
Ozone depletion leads to an increase in UV irradiation, which leads, among many other things, to an increase in the incidence of various kinds of skin cancer.
The unusual quality they possess is that they are fluoresce in UV light or a common black light and will literally glow in the black light.
An increase in UV radiation might favour individuals who have higher levels of protective melanin in their skins.
But recent studies performed by leading North American research institutions have concluded that UV is highly effective at inactivating both of these organisms.
• Titanium Dioxide - absorbs both UVA and UVB rays, provides long-term UV protection.
Benefits aside, long-term UV therapy still presents an increased risk of skin cancer.