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Definition of Nitrates
1. nitrate [v] - See also: nitrate
Medical Definition of Nitrates
1. A group of medications that are made from a chemical with a nitrogen base. Nitrates relax smooth muscle, dilate veins, lower blood pressure and improve blood flow through the coronary arteries. Examples include: nitroglycerin, erythrityl tetranitrate, isosorbide dinitrate, isosorbide mononitrate and pentaerythritol tetranitrate. (27 Sep 1997)