| 释义 |
platiniridium
platiniridium (ˌplætɪnɪˈrɪdɪəm) n (Jewellery) any alloy of platinum and iridium: used in jewellery, electrical contacts, and hypodermic needles
platiniridium
platiniridium[¦plat·ən·ə′rid·ē·əm] (mineralogy) A silver-white cubic mineral composed of platinum, iridium, and related metals, occurring in grains. |