platini- Chem.,
(ˈplætɪnɪ)
combining form of platinum, denoting compounds in which it has its higher valency (cf. platinic).
| 1887 A. M. Brown Anim. Alkaloids 73 Chloride of platinum gives with chlorohydrate of betaine a platinichloride in yellow crystals. 1890 Webster, Platinichloric. |