(Chem.)A salt of osmiamic acid.Os`mi*am"ic (?), a. [Osmium +
amido.] (Chem.) Of, pertaining to, or designating,
a nitrogenous acid of osmium,
H2N2Os2O5, forming a
well-known series of yellow salts.
Os"mic (?), a. (Chem.)
Pertaining to, derived from, or containing, osmium;
specifically, designating those compounds in which it has a valence
higher than in other lower compounds; as, osmic
oxide.
Osmic acid.
(Chem.) (a)Osmic tetroxide. [Obs.]
(b) Osmic acid
proper, an acid analogous to sulphuric 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 off a vapor, which is a powerful irritant poison, violently
attacking the eyes, and emitting a strong chlorinelike odor.
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