The American Heritage® Dictionary of the English Language, 4th Edition
n. A nucleoside, C10H13N5O4, composed of adenine linked to ribose, that is a structural component of nucleic acids and the major molecular component of ADP, AMP, and ATP.
n. A nucleoside derived from adenine and ribose, found in striated muscle tissue.
n. An instance of adenosine.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. (biochemistry) a nucleoside that is a structural component of nucleic acids; it is present in all living cells in a combined form as a constituent of DNA and RNA and ADP and ATP and AMP
Word Usage
""Bubble boy" disease: severe combined immunodeficiency (SCID) due to a lack of an enzyme called adenosine deaminase."