what is maleate
Noun. 1. maleate-a salt or ester of maleic acid; used as a nontricyclic antidepressant drug for psychomotor activation. antidepressant, antidepressant drug-any of a class of drugs used to treat depression; often have undesirable side effects.ester-formed by reaction between an acid and an alcohol with elimination of water.aleate-a salt or ester of maleic acid; used as a nontricyclic antidepressant drug for psychomotor activation. antidepressant, antidepressant drug-any of a class of drugs used to treat depression; often have undesirable side effects.