a white, crystalline compound, C3H7NO2, produced by the action of ammonia on ethyl carbonate or by heating urea nitrate and ethyl alcohol: it is used as a hypnotic and sedative, a solvent, etc.
2.
any ester of carbamic acid
Also ˈureˌthan (ˈjʊrəˌθæn; juˌθæn)
Word origin
Fr uréthane < urée, urea + éther (< L aether: see ether) + -ane, -ane