platinous

[ plat-n-uhs ]

adjective

, Chemistry.

1. containing bivalent platinum.

platinous

/ ˈplætɪnəs /

adjective

1. of or containing platinum, esp in the divalent state

Word History and Origins

Origin of platinous¹

First recorded in 1835–45; platin(um) + -ous

Example Sentences

A black powder, soluble in excess of alkali, and freely so in the acids, forming brown solutions of the platinous salts.

From Project Gutenberg

Platinous oxalate, in fine copper-coloured needles, may be obtained by heating platinic oxide in a solution of oxalic acid.

From Project Gutenberg