nitroglycerin ni·tro·glyc·er·in or ni·tro·glyc·er·ine (nī'trō-glĭs'ər-ĭn, -trə-)
A thick, pale yellow liquid that is explosive on concussion or exposure to sudden heat, used as a vasodilator in medicine.
|nitroglycerin (nī'trō-glĭs'ər-ĭn) Pronunciation Key
A thick, pale-yellow, explosive liquid formed by treating glycerin with nitric and sulfuric acids. It is used to make dynamite and in medicine to dilate blood vessels. Chemical formula: C3H5N3O9.