osmium tetroxide

noun

Definition of osmium tetroxide

  1. :  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

1869

First Known Use of osmium tetroxide

1869


Medical Dictionary

osmium tetroxide

noun

Medical Definition of osmium tetroxide

  1. :  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


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