platiniridium

American

[plat-n-i-rid-ee-uhm, -ahy-rid-] / ˌplæt n ɪˈrɪd i əm, -aɪˈrɪd- /

noun

a natural alloy composed chiefly of platinum and iridium.

platiniridium British

/ ˌplætɪnɪˈrɪdɪəm /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of platiniridium

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023