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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 ir·id·os·mine /ˌɪrəˈdɑzˌmin/
 銥鋨合金; 銥鋨礦

From: Webster's Revised Unabridged Dictionary (1913)

 Ir·i·dos·mine Ir·i·dos·mi·um n.  Min. The native compound of iridium and osmium. It is found in flattened metallic grains of extreme hardness, and is often used for pointing gold pens.
 

From: WordNet (r) 2.0

 iridosmine
      n : a hard and corrosion resistant mineral that is a natural
          alloy of osmium and iridium (usually containing small
          amounts of rhodium and platinum); used in needles and pen
          nibs etc. [syn: osmiridium]