| 单词 | platiniridium |
| 释义 | platiniridium in British English (ˌplætɪnɪˈrɪdɪəm) noun any alloy of platinum and iridium: used in jewellery, electrical contacts, and hypodermic needles platiniridium in American English (ˌplætnɪˈrɪdiəm, -aiˈrɪd-) noun a natural alloy composed chiefly of platinum and iridium Word origin [1865–70; platin(um) + iridium]This word is first recorded in the period 1865–70. Other words that entered Englishat around the same time include: black belt, dunk, goulash, springboard, valenceWord lists with alloy, alloys, metal |
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