Platiniridium definitions

Platiniridium

• (n.) A natural alloy of platinum and iridium occurring in grayish metallic rounded or cubical grains with platinum.
Found on http://thinkexist.com/dictionary/meaning/platiniridium/

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platiniridium

(from the article `platinum`) ...11 percent iron, plus the other platinum metals, and gold, copper, and nickel. For mineralogical properties, see native element (table). Platinum ...
Found on http://www.britannica.com/eb/a-z/p/78

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Platiniridium

Plat`i·ni·rid'i·um noun (Chem. & Min.) A natural alloy of platinum and iridium occurring in grayish metallic rounded or cubical grains with platinum.
Found on http://www.encyclo.co.uk/webster/P/103

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