- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for platinoid
The platinoid coil was insulated from the water by shellac varnish.
The addition of a trace of tungsten to German silver, as in platinoid, also largely increases the resistance.
- containing or resembling platinuma platinoid metal