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  Word: Iridium

  ID	Word	Wordtype	Definition
  82774	Iridium	n.	A rare metallic element, of the same group as platinum, which it much resembles, being silver-white, but harder, and brittle, and indifferent to most corrosive agents. With the exception of osmium, it is the heaviest substance known, its specific gravity being 22.4. Symbol Ir. Atomic weight 192.5.

  
  

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