Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
guacamole
guacharo
Guadalajara
Guadalcanal
Guadalquivir
Guadalupe
Guadalupe Hidalgo
Guadalupe Mountains
Guadalupe Mountains National Park
Guadeloupe
Guadiana
guagua
guaiac
guaiacol
guaiacum
Guajiro
Guam
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

guanine
gua·nine [ gw nn ]


noun 
Definition:
 
substance that codes genetic information: a purine derivative that is one of the four bases in DNA and RNA.
Symbol  G
[Mid-19th century. <guano]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft