urethan

Variant of urethane

urethane definition

ure·thane (yo̵or′ə t̸hān′)

noun

  1. a white, crystalline compound, CHNO, 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

Etymology: Fr uréthane < urée, urea + éther (< L aether: see ether) + -ane, -ane

Also urethan u′re·than′ (-t̸han′)

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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