Selective serotonin reuptake inhibitors (SSRIs), also known as serotonin-specific reuptake inhibitors or serotonergic antidepressants, are a class of drugs that are typically used as antidepressants in the treatment of major depressive disorder and anxiety disorders.
midst meaning, definition, what is midst: the middle of a group of people or things: . Learn more.
Midstream activities are commonly included as part of downstream operations for much of the oil and gas industry. The midstream and downstream activities take place after the initial production phase and through to the point of sale.EFINITION of 'Midstream'. Term used to describe one of the three major stages of oil and gas industry operations. Midstream activities include the processing, storing, transporting and marketing of oil, natural gas and natural gas liquids. Next Up.