Marplan marp·lan US/ˈmɑˌrplæn/ uncommon noun 1. a monoamine oxidase inhibitor (trade name Marplan) that is used to treat clinical depression Synonymsisocarboxazid Related words Broader terms monoamine oxidase inhibitor WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.
