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单词 platiniridium
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.
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