1 ผลลัพธ์ สำหรับ -osmiridium-
หรือค้นหา: -osmiridium-, *osmiridium*

WordNet (3.0)
osmiridium(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. iridosmine

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