[ĕ-rith´rĭ-til] the univalent radical from erythritol.erythrityl tetranitrate a vasodilator used in angina pectoris and coronary insufficiency; because of its explosiveness it must be diluted, as with lactose.
erythrityl tetranitrate
(ĕ-rĭth′rĭ-tĭl) A drug used to dilate the coronary arteries, used in treating angina pectoris.