D defs.my
Entry 2 senses Webster, 1913

Urethane

/yẽr'-əth-ānˌ/ · U·reth·ane · IPA /jˈɜrəθˌeɪn/
01 n. A white crystalline substance, NH2.CO.OC2H5, produced by the action of ammonia on ethyl carbonate or by heating urea nitrate and ethyl alco…
  1. 1.
    A white crystalline substance, NH2.CO.OC2H5, produced by the action of ammonia on ethyl carbonate or by heating urea nitrate and ethyl alcohol. It is used as a hypnotic, antipyretic, and antispasmodic. Hence, any ester of carbamic acid.(Org. Chem.)
  2. 2.
    same as polyurethane. See: polyurethane