iridosmine

英[aɪərɪ'dɒsmɪn] 美[ˌɪrɪ'dɒzmɪn]
  • n. 铱锇笔尖合金
Noun:
  1. 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.

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