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Meaning of platinoid

plat•i•noid

Pronunciation: (plat'n-oid"), [key]
— adj.
  1. resembling platinum: the platinoid elements.
—n.
  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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.