osmiridium

n. 銥鋨礦

學術名詞

• 鋨銥礦：礦物學、海洋地質學
• 鋨銥合金：化學術語
• 天然鋨銥合金粒：礦冶工程
• 鋨銥合金｛25-40%Os，50-60%Ir，0-10%Pb｝：金屬材料
• 銥鋨礦：地質學

英文釋義

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.