from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See AMP.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A nucleotide found in RNA. It is an ester of phosphoric acid with the nucleoside adenosine. It consists of a phosphate group, a pentose sugar ribose, and the nucleobase adenine.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a nucleotide found in muscle cells and important in metabolism; reversibly convertible to ADP and ATP
aden(ine) + -yl + -ic + acid.(American Heritage® Dictionary of the English Language, Fourth Edition)