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A salt of osmic acid. [Formerly written also osmiate.]

One of a pair of scent organs which the larvæ of certain butterflies emit from the first body segment, either above or below.

c acid, not known in the free state, but forming a well-known and stable series of salts (osmates), which were formerly improperly called osmites. -- Osmic tetroxide (Chem.), a white volatile crystalline substance, OsO4, the most stable and characteristic of the compounds of osmium. It has a burning taste, and gives o…