Bible Dictionaries
Platinous

Webster's Dictionary

(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).

Bibliography Information
Webster, Noah. Entry for 'Platinous'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/platinous.html. 1828.