inhibitor Definition

one that inhibits: such as

an agent that slows or interferes with a chemical action

a substance that reduces or suppresses the activity of another substance (such as an enzyme)

any of a group of antihypertensive drugs (such as captopril) that relax arteries and promote renal excretion of salt and water by inhibiting the activity of angiotensin converting enzyme

any of a class of drugs used to treat the pain and inflammation of arthritis by selectively blocking the variant of cyclooxygenase causing these symptoms

a substance that inhibits the action of a protease; specifically : any of various drugs (such as indinavir) that inhibit the action of the protease of HIV so that the cleavage of viral proteins into mature functional infectious particles is prevented and that are used especially in combination with other agents in the treatment of HIV infection

any of a group of drugs that inhibit the activity of pumps transporting hydrogen ions across cell membranes and are used to inhibit gastric acid secretion

ssri

any of a class of antidepressants (such as fluoxetine) that inhibit the inactivation of serotonin by blocking its reuptake by presynaptic neuron endings —called also selective serotonin reuptake inhibitor