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

Origin of monoamine oxidase inhibitor

First recorded in 1960–65
Also called MAO inhibitor.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for monoamine oxidase inhibitor

monoamine oxidase inhibitor

noun
  1. biochem an agent that inhibits the action of monoamine oxidase. Such inhibitors are used in the treatment of depressionAbbreviation: MAOI
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

monoamine oxidase inhibitor in Medicine

monoamine oxidase inhibitor

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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

monoamine oxidase inhibitor in Science

monoamine oxidase inhibitor

  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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.