DICT.TW Dictionary Taiwan

 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.
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