{Osmious acid} (Chem.), an acid derived from osmium, analogous to sulphurous acid, and forming unstable salts. It is a brown amorphous substance. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
Osmious — 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}.] [1913 Webster] {Osmious acid} (Chem.), an acid derived from … The Collaborative International Dictionary of English
osmous — Osmious 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}.] [1913 Webster] {Osmious acid} (Chem.), an acid… … The Collaborative International Dictionary of English
osmite — os mite, n. (Chem.) A salt of osmious acid. [1913 Webster] … The Collaborative International Dictionary of English
