(a.) Of, pertaining to or containing, selenium; specifically, designating those compounds in which the element has a lower valence as contrasted with selenic compounds.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). selenious. Retrieved September 25, 2026, from http://smartdefine.org/selenious/definitions/2059887 |
| Chicago | Webster's. 2011. "selenious" http://smartdefine.org/selenious/definitions/2059887 (accessed September 25, 2026). |
| Harvard | Webster's 2011, selenious, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/selenious/definitions/2059887>. |
| MLA | Webster's. "selenious" 28 May 2011. Web. 25 September 2026. <http://smartdefine.org/selenious/definitions/2059887> |