WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a salt or ester of maleic acid; used as a nontricyclic antidepressant drug for psychomotor activation
Word Usage
"That site is tracking research on supposed anti-aging compounds such as simvastatin, used to lower cholesterol, and enalapril maleate, which is used to treat hypertension."