cooperite

[ koo-puh-rahyt ]

noun

1. a mineral, sulfide and arsenide of platinum, occurring in igneous rocks in the form of steel-gray crystals.

Word History and Origins

Origin of cooperite¹

After R. A. Cooper, who described it in 1920; -ite ¹

Example Sentences

Cooperite, its rival, is an alloy of nickel and zirconium, stronger, lighter and cheaper than stellite.

From Project Gutenberg