Se*le"ni*ous (?), a. [Cf. F. sélénieux.] (Chem.) Of, pertaining to, or containing, selenium; specifically, designating those compounds in which the element has a lower valence as contrasted with selenic compounds.

Se*le"ni*ous (?), a. [Cf. F. sélénieux.] (Chem.) Of, pertaining to, or containing, selenium; specifically, designating those compounds in which the element has a lower valence as contrasted with selenic compounds.