urethane Meaning, Definition & Usage
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noun an ester of carbamic acid
WordNet
U*reth"ane noun
Definitions
(Chem.) A white crystalline substance, NH2.CO.OC2H5 , produced by the action of ammonia on ethyl carbonate. It is used somewhat in medicine as a hypnotic. By extension, any one of the series of related substances of which urethane proper is the type.