Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
utter (1)
utter (2)
utterance
utterly
uttermost
utu
UU
UV
UV index
UVA
uva ursi
uvarovite
UVB
uvea
uveitis
UVF
uvula
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

UV index
UV in·dex


noun 
Definition:
 
index indicating strength of sun: a scale used to indicate the intensity of the Sun's ultraviolet rays
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft