oxathiazineWiktionary 原文英美构词拆解oxaoxa-前缀thiazinethiazine词干oxa-(organic chemistry) Used to name compounds in which a carbon atom (typically a methylene group) has been replaced by one of oxygen词源说明From oxa- + thiazine.释义名词noun1(organic chemistry) A six-membered unsaturated heterocycle containing three carbon atoms and one each of nitrogen, oxygen and sulfur同族词相关词 1oxathiazinone