单词	osmium tetroxide
释义	osmium tetroxide noun : a crystalline compound OsO4 that is an oxide of osmium, has a poisonous irritating vapor, and is used as a catalyst, oxidizing agent, and biological fixative and stain Word History First Known Use 1869, in the meaning defined above Medical Definition osmium tetroxide noun : a crystalline compound OsO4 that is an oxide of osmium, has a poisonous irritating vapor, and is used chiefly as a catalyst, as an oxidizing and hydroxylating agent (as in the conversion of alkenes to glycols), and as a biological fixative and stain (as for fatty substances in cytology) called also osmic acid
随便看	theatricalnesses theatricals theatrician theatricise theatricised theatricises theatricising theatricism theatricized theatricizes theatricizing theatrics theatro- theatrocracy theatrograph theatrophones theave theaves thebae Thebaic Thebaid thebaines theban thebans thebe

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