UV index

UV index definition - medical

UV index (yo͞oˈvēˈ)

noun
A scale ranging from zero to ten, used in estimating the risk for sunburn that an unprotected fair-skinned person would have if exposed to the ultraviolet radiation in midday sunlight.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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