Definition of osmium tetroxide in English:

osmium tetroxide

Line breaks: os¦mium tet¦rox|ide

noun

[mass noun]
  • A poisonous pale yellow solid with a distinctive pungent smell, used in solution as a biological stain (especially for lipids) and fixative.
    • Chemical formula: OsO4
    More example sentences
    • The tissue is then placed for 8 to 10 days in a solution containing potassium chlorate, osmium tetroxide, formaldehyde, and glacial acetic acid.
    • The cytoplasm of medullar cells, fixed in osmium tetroxide, stained more deeply with toluidine blue than that of cortical cells.
    • Experts say a bomb with the chemical osmium tetroxide would have wiped out the first police and rescue workers on the scene.

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