ural2Med.|ˈjʊərəl| [Irreg. f. ur-ethane.] A preparation of chloral hydrate and urethane, used as a hypnotic; chloral-urethane; = uralium. 1891Cent.Dict.1895Buck's Handbk.Med.Sci. IX. 922/2 Ural has no advantage over chloral, and has the inconvenience of being soluble in water.