a colorless, thick, oily, flammable, highly explosive, slightly water-soluble liquid, C3H5N3O9, prepared from glycerol with nitric and sulfuric acids: used chiefly as a constituent of dynamite and other explosives, in rocket propellants, and in medicine as a vasodilator in the treatment of angina pectoris.
Also ni·tro·glyc·er·ine[nahy-truh-glis-er-in, -uh-reen]/ˌnaɪ trəˈglɪs ər ɪn, -əˌrin/.
a pale yellow viscous explosive liquid substance made from glycerol and nitric and sulphuric acids and used in explosives, and in medicine as a vasodilator. Formula: CH 2 NO 3 CHNO 3 CH 2 NO 3Also called: trinitroglycerine
also nitroglycerin, "explosive oily liquid," 1857, from nitro- + glycerin. So called either because it was obtained by treating glycerine with nitric and sulfuric acids or because it is essentially a nitrate (glyceryl trinitrate).