unimolecular reaction(redirected from monomolecular reaction)
Also found in: Medical.
unimolecular reaction[¦yü·nə·mə′lek·yə·lər rē′ak·shən]
A chemical reaction involving only one molecular species as a reactant; for example, 2H2O → 2H2+ O2, as in the electrolytic dissociation of water.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.