oxazine[äk′sə zēn′, -zin]
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
any of thirteen compounds having a composition corresponding to the formula CHNO and composed of molecules which contain four atoms of carbon and one atom each of oxygen and nitrogen united in a ring structure
Origin: ox(a)- plush azine
Used by arrangement with John Wiley & Sons, Inc.