titanious,a.rare.|taɪˈteɪnɪəs| [f. titani-um + -ous.] a.Min. Containing or combined with titanium. †b.Chem.Obs.f. titanous. 1853Th. Ross Humboldt's Trav. III. xxix. 169 Rocks..charged with oxidulated and titanious iron, are probably of similar origin.