Osmious

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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 osmium,
        analogous to sulphurous acid, and forming unstable salts.
        It is a brown amorphous substance.
        [1913 Webster]