[ yoo r-uh-theyn ]
/ ˈyʊər əˌθeɪn /

noun Chemistry.

any derivative of carbamic acid having the formula CH2NO2R.
Also called ethyl carbamate, ethyl urethane. a white, crystalline, water-soluble powder, C3H7NO2: used chiefly as a solvent, in organic synthesis, as a fungicide and pesticide, and formerly in cancer treatment.
Also u·re·than [yoo r-uh-than] /ˈyʊər əˌθæn/.

Origin of urethane

< French uréthane (1833); see urea, ethane
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for urethane

British Dictionary definitions for urethane


urethan (ˈjʊərɪˌθæn)

/ (ˈjʊərɪˌθeɪn) /


short for polyurethane
another name for ethyl carbamate

Word Origin for urethane

C19: from uro- 1 + ethyl + -ane
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for urethane


[ yurĭ-thān′ ]

A colorless or white crystalline compound used in organic synthesis. Formerly it was also used to relieve symptoms associated with leukemia. Also called ethyl carbamate. Chemical formula: C3H7NO2.
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