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cooperite

American  
[koo-puh-rahyt] / ˈku pəˌraɪt /

noun

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

Etymology

Origin of cooperite

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From Project Gutenberg

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.