Os"mi*ous (?), a. Chem.

Denoting those compounds of osmium in which the element has a valence relatively lower than in the osmic compounds; as, osmious chloride.

[Written also osmous.]

Osmious acid Chem., an acid derived from osmium, analogous to sulphurous acid, and forming unstable salts. It is a brown amorphous substance.


© Webster 1913.

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