monoamine oxidase inhibitor

noun Pharmacology.

1. any of various substances, as isocarboxazid and phenelzine, that block enzymatic breakdown of certain monoamine neurotransmitters: used to treat severe depression. Abbreviation: MAOI

noun

1. biochem an agent that inhibits the action of monoamine oxidase. Such inhibitors are used in the treatment of depressionAbbreviation: MAOI

n.

1. Any of a class of antidepressant and hypotensive drugs that block the action of monoamine oxidase in the brain, thereby allowing the accumulation of monoamines such as norepinephrine.

1. Any of a class of antidepressant drugs that block the action of monoamine oxidase in the brain, thereby allowing the accumulation of monoamines such as norepinephrine, which can alter mood.