Dictionary
ad•e•nine
Pronunciation: (ad'n-in, -ēn", -īn"), [key]—
n.
Biochem.a purine base, C
5H
5N
5, one of the fundamental components of nucleic acids, as DNA, in which it forms a base pair with thymine, and RNA, in which it pairs with uracil.
Symbol: A
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.