• synonyms


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

First recorded in 1860–65; platin(um) + -oid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for platinoid

Historical Examples

  • The platinoid coil was insulated from the water by shellac varnish.

    Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1


  • The addition of a trace of tungsten to German silver, as in platinoid, also largely increases the resistance.

British Dictionary definitions for platinoid


  1. containing or resembling platinuma platinoid metal
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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