platiniridium

[ plat-n-i-rid-ee-uhm, -ahy-rid- ]

noun

1. a natural alloy composed chiefly of platinum and iridium.

platiniridium

/ ˌplætɪnɪˈrɪdɪəm /

noun

1. any alloy of platinum and iridium: used in jewellery, electrical contacts, and hypodermic needles

Word History and Origins

Origin of platiniridium¹

First recorded in 1865–70; platin(um) + iridium