resembling platinum: the platinoid elements.


any of the metals, as palladium or iridium, with which platinum is commonly associated.
an alloy of copper, zinc, and nickel, to which small quantities of such elements as tungsten or aluminum have been added.

Origin of platinoid

First recorded in 1860–65; platin(um) + -oid Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for platinoid

Historical Examples of platinoid

British Dictionary definitions for platinoid



containing or resembling platinuma platinoid metal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012