iridosmine

[aɪərɪ'dɒsmɪn] [ˌɪrɪ'dɒzmɪn]
英英词典释义
  • 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.