ultraviolet radiation

Cultural Dictionary

ultraviolet radiation definition


Radiation in the part of the electromagnetic spectrum where wavelengths are just shorter than those of ordinary, visible violet light but longer than those of x-rays.

Note: Like infrared radiation, ultraviolet radiation can be detected with special instruments or films. Sunburn is caused by ultraviolet radiation. The ozone layer of the atmosphere of the Earth blocks most of the potentially harmful ultraviolet radiation.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

00:10

00:09

00:08

00:07

00:06

00:05

00:04

00:03

00:02

00:01

Ultraviolet radiation is always a great word to know.
So is zedonk. Does it mean:
the offspring of a zebra and a donkey.
a gadget; dingus; thingumbob.
WordNet
ultraviolet radiation

noun
radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays [syn: ultraviolet
WordNet® 3.0, © 2006 by Princeton University.
Cite This Source
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature