(a.) Of, pertaining to or containing, platinum; -- used specifically to designate those compounds in which the element has a lower valence, as contrasted with the platinic compounds; as, platinous chloride (PtCl2).
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). platinous. Retrieved September 24, 2026, from http://smartdefine.org/platinous/definitions/2046255 |
| Chicago | Webster's. 2011. "platinous" http://smartdefine.org/platinous/definitions/2046255 (accessed September 24, 2026). |
| Harvard | Webster's 2011, platinous, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/platinous/definitions/2046255>. |
| MLA | Webster's. "platinous" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/platinous/definitions/2046255> |